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-rw-r--r--MAINTAINERS11
-rw-r--r--arch/alpha/kernel/signal.c31
-rw-r--r--arch/arm/mach-msm/smd_debug.c8
-rw-r--r--arch/c6x/kernel/signal.c16
-rw-r--r--arch/x86/kernel/kdebugfs.c9
-rw-r--r--drivers/acpi/ec_sys.c8
-rw-r--r--drivers/base/regmap/regmap-debugfs.c12
-rw-r--r--drivers/bluetooth/btmrvl_debugfs.c26
-rw-r--r--drivers/char/virtio_console.c8
-rw-r--r--drivers/dma/coh901318.c9
-rw-r--r--drivers/gpu/drm/i915/i915_debugfs.c14
-rw-r--r--drivers/hid/hid-picolcd.c16
-rw-r--r--drivers/hid/hid-wiimote-debug.c8
-rw-r--r--drivers/idle/i7300_idle.c8
-rw-r--r--drivers/iommu/omap-iommu-debug.c10
-rw-r--r--drivers/mfd/aat2870-core.c9
-rw-r--r--drivers/mfd/ab3100-core.c8
-rw-r--r--drivers/misc/ibmasm/ibmasmfs.c8
-rw-r--r--drivers/mtd/ubi/debug.c10
-rw-r--r--drivers/net/caif/caif_spi.c10
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c9
-rw-r--r--drivers/net/wimax/i2400m/debugfs.c15
-rw-r--r--drivers/net/wireless/ath/ath5k/debug.c23
-rw-r--r--drivers/net/wireless/ath/ath6kl/debug.c42
-rw-r--r--drivers/net/wireless/ath/ath9k/debug.c37
-rw-r--r--drivers/net/wireless/ath/ath9k/dfs_debug.c9
-rw-r--r--drivers/net/wireless/ath/ath9k/htc_drv_debug.c26
-rw-r--r--drivers/net/wireless/ath/ath9k/rc.c8
-rw-r--r--drivers/net/wireless/ath/carl9170/debug.c7
-rw-r--r--drivers/net/wireless/b43/debugfs.c8
-rw-r--r--drivers/net/wireless/b43legacy/debugfs.c8
-rw-r--r--drivers/net/wireless/iwlegacy/3945-rs.c8
-rw-r--r--drivers/net/wireless/iwlegacy/4965-rs.c12
-rw-r--r--drivers/net/wireless/iwlegacy/debug.c12
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-rs.c11
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-debugfs.c12
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-trans-pcie.c12
-rw-r--r--drivers/net/wireless/iwmc3200wifi/debugfs.c14
-rw-r--r--drivers/net/wireless/iwmc3200wifi/sdio.c9
-rw-r--r--drivers/net/wireless/libertas/debugfs.c10
-rw-r--r--drivers/net/wireless/mwifiex/debugfs.c18
-rw-r--r--drivers/net/wireless/wl1251/debugfs.c14
-rw-r--r--drivers/net/wireless/wl12xx/debugfs.c38
-rw-r--r--drivers/oprofile/oprofilefs.c14
-rw-r--r--drivers/remoteproc/remoteproc_debugfs.c13
-rw-r--r--drivers/rtc/rtc-88pm860x.c4
-rw-r--r--drivers/scsi/lpfc/lpfc_debugfs.c9
-rw-r--r--drivers/spi/spi-dw.c8
-rw-r--r--drivers/tty/serial/mfd.c9
-rw-r--r--drivers/tty/serial/pch_uart.c8
-rw-r--r--drivers/tty/sysrq.c2
-rw-r--r--drivers/usb/core/inode.c10
-rw-r--r--drivers/usb/host/ehci-dbg.c9
-rw-r--r--drivers/uwb/uwb-debug.c9
-rw-r--r--drivers/video/backlight/Kconfig6
-rw-r--r--drivers/video/backlight/Makefile1
-rw-r--r--drivers/video/backlight/da9052_bl.c187
-rw-r--r--fs/debugfs/file.c14
-rw-r--r--fs/dlm/debug_fs.c9
-rw-r--r--fs/hugetlbfs/inode.c1
-rw-r--r--fs/libfs.c8
-rw-r--r--fs/proc/root.c9
-rw-r--r--fs/pstore/inode.c8
-rw-r--r--fs/xattr.c40
-rw-r--r--include/linux/fs.h1
-rw-r--r--include/linux/swap.h14
-rw-r--r--kernel/trace/blktrace.c18
-rw-r--r--net/mac80211/debugfs.c12
-rw-r--r--net/mac80211/debugfs.h1
-rw-r--r--net/mac80211/debugfs_key.c4
-rw-r--r--net/mac80211/debugfs_netdev.c2
-rw-r--r--net/mac80211/debugfs_sta.c4
-rw-r--r--net/mac80211/rate.c2
-rw-r--r--net/wireless/debugfs.c10
-rw-r--r--scripts/coccinelle/api/simple_open.cocci70
-rw-r--r--sound/soc/imx/imx-audmux.c8
-rw-r--r--sound/soc/soc-core.c8
-rw-r--r--sound/soc/soc-dapm.c16
78 files changed, 518 insertions, 631 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 962232d6278..3e25ba82e0f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -5637,7 +5637,7 @@ M: Ohad Ben-Cohen <ohad@wizery.com>
S: Maintained
F: drivers/remoteproc/
F: Documentation/remoteproc.txt
-F: include/linux/remoteproc.txt
+F: include/linux/remoteproc.h
RFKILL
M: Johannes Berg <johannes@sipsolutions.net>
@@ -6287,6 +6287,15 @@ F: drivers/tty/serial/sunsu.c
F: drivers/tty/serial/sunzilog.c
F: drivers/tty/serial/sunzilog.h
+SPARSE CHECKER
+M: "Christopher Li" <sparse@chrisli.org>
+L: linux-sparse@vger.kernel.org
+W: https://sparse.wiki.kernel.org/
+T: git git://git.kernel.org/pub/scm/devel/sparse/sparse.git
+T: git git://git.kernel.org/pub/scm/devel/sparse/chrisl/sparse.git
+S: Maintained
+F: include/linux/compiler.h
+
SPEAR PLATFORM SUPPORT
M: Viresh Kumar <viresh.kumar@st.com>
L: spear-devel@list.st.com
diff --git a/arch/alpha/kernel/signal.c b/arch/alpha/kernel/signal.c
index 6f7feb5db27..35f2ef44de1 100644
--- a/arch/alpha/kernel/signal.c
+++ b/arch/alpha/kernel/signal.c
@@ -120,12 +120,13 @@ SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user *, act,
*/
SYSCALL_DEFINE1(sigsuspend, old_sigset_t, mask)
{
- mask &= _BLOCKABLE;
- spin_lock_irq(&current->sighand->siglock);
+ sigset_t blocked;
+
current->saved_sigmask = current->blocked;
- siginitset(&current->blocked, mask);
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
+
+ mask &= _BLOCKABLE;
+ siginitset(&blocked, mask);
+ set_current_blocked(&blocked);
current->state = TASK_INTERRUPTIBLE;
schedule();
@@ -238,10 +239,7 @@ do_sigreturn(struct sigcontext __user *sc, struct pt_regs *regs,
goto give_sigsegv;
sigdelsetmask(&set, ~_BLOCKABLE);
- spin_lock_irq(&current->sighand->siglock);
- current->blocked = set;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
+ set_current_blocked(&set);
if (restore_sigcontext(sc, regs, sw))
goto give_sigsegv;
@@ -276,10 +274,7 @@ do_rt_sigreturn(struct rt_sigframe __user *frame, struct pt_regs *regs,
goto give_sigsegv;
sigdelsetmask(&set, ~_BLOCKABLE);
- spin_lock_irq(&current->sighand->siglock);
- current->blocked = set;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
+ set_current_blocked(&set);
if (restore_sigcontext(&frame->uc.uc_mcontext, regs, sw))
goto give_sigsegv;
@@ -501,14 +496,8 @@ handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info,
else
ret = setup_frame(sig, ka, oldset, regs, sw);
- if (ret == 0) {
- spin_lock_irq(&current->sighand->siglock);
- sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
- if (!(ka->sa.sa_flags & SA_NODEFER))
- sigaddset(&current->blocked,sig);
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
- }
+ if (ret == 0)
+ block_sigmask(ka, sig);
return ret;
}
diff --git a/arch/arm/mach-msm/smd_debug.c b/arch/arm/mach-msm/smd_debug.c
index 0c56a5aaf58..c56df9e932a 100644
--- a/arch/arm/mach-msm/smd_debug.c
+++ b/arch/arm/mach-msm/smd_debug.c
@@ -203,15 +203,9 @@ static ssize_t debug_read(struct file *file, char __user *buf,
return simple_read_from_buffer(buf, count, ppos, debug_buffer, bsize);
}
-static int debug_open(struct inode *inode, struct file *file)
-{
- file->private_data = inode->i_private;
- return 0;
-}
-
static const struct file_operations debug_ops = {
.read = debug_read,
- .open = debug_open,
+ .open = simple_open,
.llseek = default_llseek,
};
diff --git a/arch/c6x/kernel/signal.c b/arch/c6x/kernel/signal.c
index 304f675826e..3b5a0509998 100644
--- a/arch/c6x/kernel/signal.c
+++ b/arch/c6x/kernel/signal.c
@@ -85,10 +85,7 @@ asmlinkage int do_rt_sigreturn(struct pt_regs *regs)
goto badframe;
sigdelsetmask(&set, ~_BLOCKABLE);
- spin_lock_irq(&current->sighand->siglock);
- current->blocked = set;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
+ set_current_blocked(&set);
if (restore_sigcontext(regs, &frame->uc.uc_mcontext))
goto badframe;
@@ -279,15 +276,8 @@ static int handle_signal(int sig,
/* Set up the stack frame */
ret = setup_rt_frame(sig, ka, info, oldset, regs);
- if (ret == 0) {
- spin_lock_irq(&current->sighand->siglock);
- sigorsets(&current->blocked, &current->blocked,
- &ka->sa.sa_mask);
- if (!(ka->sa.sa_flags & SA_NODEFER))
- sigaddset(&current->blocked, sig);
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
- }
+ if (ret == 0)
+ block_sigmask(ka, sig);
return ret;
}
diff --git a/arch/x86/kernel/kdebugfs.c b/arch/x86/kernel/kdebugfs.c
index 90fcf62854b..1d5d31ea686 100644
--- a/arch/x86/kernel/kdebugfs.c
+++ b/arch/x86/kernel/kdebugfs.c
@@ -68,16 +68,9 @@ static ssize_t setup_data_read(struct file *file, char __user *user_buf,
return count;
}
-static int setup_data_open(struct inode *inode, struct file *file)
-{
- file->private_data = inode->i_private;
-
- return 0;
-}
-
static const struct file_operations fops_setup_data = {
.read = setup_data_read,
- .open = setup_data_open,
+ .open = simple_open,
.llseek = default_llseek,
};
diff --git a/drivers/acpi/ec_sys.c b/drivers/acpi/ec_sys.c
index b258cab9061..7586544fddb 100644
--- a/drivers/acpi/ec_sys.c
+++ b/drivers/acpi/ec_sys.c
@@ -27,12 +27,6 @@ MODULE_PARM_DESC(write_support, "Dangerous, reboot and removal of battery may "
static struct dentry *acpi_ec_debugfs_dir;
-static int acpi_ec_open_io(struct inode *i, struct file *f)
-{
- f->private_data = i->i_private;
- return 0;
-}
-
static ssize_t acpi_ec_read_io(struct file *f, char __user *buf,
size_t count, loff_t *off)
{
@@ -95,7 +89,7 @@ static ssize_t acpi_ec_write_io(struct file *f, const char __user *buf,
static const struct file_operations acpi_ec_io_ops = {
.owner = THIS_MODULE,
- .open = acpi_ec_open_io,
+ .open = simple_open,
.read = acpi_ec_read_io,
.write = acpi_ec_write_io,
.llseek = default_llseek,
diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index 58517a5dac1..251eb70f83e 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -27,12 +27,6 @@ static size_t regmap_calc_reg_len(int max_val, char *buf, size_t buf_size)
return strlen(buf);
}
-static int regmap_open_file(struct inode *inode, struct file *file)
-{
- file->private_data = inode->i_private;
- return 0;
-}
-
static ssize_t regmap_name_read_file(struct file *file,
char __user *user_buf, size_t count,
loff_t *ppos)
@@ -57,7 +51,7 @@ static ssize_t regmap_name_read_file(struct file *file,
}
static const struct file_operations regmap_name_fops = {
- .open = regmap_open_file,
+ .open = simple_open,
.read = regmap_name_read_file,
.llseek = default_llseek,
};
@@ -174,7 +168,7 @@ static ssize_t regmap_map_write_file(struct file *file,
#endif
static const struct file_operations regmap_map_fops = {
- .open = regmap_open_file,
+ .open = simple_open,
.read = regmap_map_read_file,
.write = regmap_map_write_file,
.llseek = default_llseek,
@@ -243,7 +237,7 @@ out:
}
static const struct file_operations regmap_access_fops = {
- .open = regmap_open_file,
+ .open = simple_open,
.read = regmap_access_read_file,
.llseek = default_llseek,
};
diff --git a/drivers/bluetooth/btmrvl_debugfs.c b/drivers/bluetooth/btmrvl_debugfs.c
index 6c20bbb54b7..428dbb7574b 100644
--- a/drivers/bluetooth/btmrvl_debugfs.c
+++ b/drivers/bluetooth/btmrvl_debugfs.c
@@ -45,12 +45,6 @@ struct btmrvl_debugfs_data {
struct dentry *txdnldready;
};
-static int btmrvl_open_generic(struct inode *inode, struct file *file)
-{
- file->private_data = inode->i_private;
- return 0;
-}
-
static ssize_t btmrvl_hscfgcmd_write(struct file *file,
const char __user *ubuf, size_t count, loff_t *ppos)
{
@@ -93,7 +87,7 @@ static ssize_t btmrvl_hscfgcmd_read(struct file *file, char __user *userbuf,
static const struct file_operations btmrvl_hscfgcmd_fops = {
.read = btmrvl_hscfgcmd_read,
.write = btmrvl_hscfgcmd_write,
- .open = btmrvl_open_generic,
+ .open = simple_open,
.llseek = default_llseek,
};
@@ -134,7 +128,7 @@ static ssize_t btmrvl_psmode_read(struct file *file, char __user *userbuf,
static const struct file_operations btmrvl_psmode_fops = {
.read = btmrvl_psmode_read,
.write = btmrvl_psmode_write,
- .open = btmrvl_open_generic,
+ .open = simple_open,
.llseek = default_llseek,
};
@@ -180,7 +174,7 @@ static ssize_t btmrvl_pscmd_read(struct file *file, char __user *userbuf,
static const struct file_operations btmrvl_pscmd_fops = {
.read = btmrvl_pscmd_read,
.write = btmrvl_pscmd_write,
- .open = btmrvl_open_generic,
+ .open = simple_open,
.llseek = default_llseek,
};
@@ -221,7 +215,7 @@ static ssize_t btmrvl_gpiogap_read(struct file *file, char __user *userbuf,
static const struct file_operations btmrvl_gpiogap_fops = {
.read = btmrvl_gpiogap_read,
.write = btmrvl_gpiogap_write,
- .open = btmrvl_open_generic,
+ .open = simple_open,
.llseek = default_llseek,
};
@@ -265,7 +259,7 @@ static ssize_t btmrvl_hscmd_read(struct file *file, char __user *userbuf,
static const struct file_operations btmrvl_hscmd_fops = {
.read = btmrvl_hscmd_read,
.write = btmrvl_hscmd_write,
- .open = btmrvl_open_generic,
+ .open = simple_open,
.llseek = default_llseek,
};
@@ -305,7 +299,7 @@ static ssize_t btmrvl_hsmode_read(struct file *file, char __user * userbuf,
static const struct file_operations btmrvl_hsmode_fops = {
.read = btmrvl_hsmode_read,
.write = btmrvl_hsmode_write,
- .open = btmrvl_open_generic,
+ .open = simple_open,
.llseek = default_llseek,
};
@@ -323,7 +317,7 @@ static ssize_t btmrvl_curpsmode_read(struct file *file, char __user *userbuf,
static const struct file_operations btmrvl_curpsmode_fops = {
.read = btmrvl_curpsmode_read,
- .open = btmrvl_open_generic,
+ .open = simple_open,
.llseek = default_llseek,
};
@@ -341,7 +335,7 @@ static ssize_t btmrvl_psstate_read(struct file *file, char __user * userbuf,
static const struct file_operations btmrvl_psstate_fops = {
.read = btmrvl_psstate_read,
- .open = btmrvl_open_generic,
+ .open = simple_open,
.llseek = default_llseek,
};
@@ -359,7 +353,7 @@ static ssize_t btmrvl_hsstate_read(struct file *file, char __user *userbuf,
static const struct file_operations btmrvl_hsstate_fops = {
.read = btmrvl_hsstate_read,
- .open = btmrvl_open_generic,
+ .open = simple_open,
.llseek = default_llseek,
};
@@ -378,7 +372,7 @@ static ssize_t btmrvl_txdnldready_read(struct file *file, char __user *userbuf,
static const struct file_operations btmrvl_txdnldready_fops = {
.read = btmrvl_txdnldready_read,
- .open = btmrvl_open_generic,
+ .open = simple_open,
.llseek = default_llseek,
};
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index b58b5618706..ddf86b6500b 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -1038,12 +1038,6 @@ static struct attribute_group port_attribute_group = {
.attrs = port_sysfs_entries,
};
-static int debugfs_open(struct inode *inode, struct file *filp)
-{
- filp->private_data = inode->i_private;
- return 0;
-}
-
static ssize_t debugfs_read(struct file *filp, char __user *ubuf,
size_t count, loff_t *offp)
{
@@ -1087,7 +1081,7 @@ static ssize_t debugfs_read(struct file *filp, char __user *ubuf,
static const struct file_operations port_debugfs_ops = {
.owner = THIS_MODULE,
- .open = debugfs_open,
+ .open = simple_open,
.read = debugfs_read,
};
diff --git a/drivers/dma/coh901318.c b/drivers/dma/coh901318.c
index dc89455f555..750925f9638 100644
--- a/drivers/dma/coh901318.c
+++ b/drivers/dma/coh901318.c
@@ -104,13 +104,6 @@ static void coh901318_list_print(struct coh901318_chan *cohc,
static struct coh901318_base *debugfs_dma_base;
static struct dentry *dma_dentry;
-static int coh901318_debugfs_open(struct inode *inode, struct file *file)
-{
-
- file->private_data = inode->i_private;
- return 0;
-}
-
static int coh901318_debugfs_read(struct file *file, char __user *buf,
size_t count, loff_t *f_pos)
{
@@ -158,7 +151,7 @@ static int coh901318_debugfs_read(struct file *file, char __user *buf,
static const struct file_operations coh901318_debugfs_status_operations = {
.owner = THIS_MODULE,
- .open = coh901318_debugfs_open,
+ .open = simple_open,
.read = coh901318_debugfs_read,
.llseek = default_llseek,
};
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index fdb7ccefffb..b505b70dba0 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1502,14 +1502,6 @@ static int i915_ppgtt_info(struct seq_file *m, void *data)
return 0;
}
-static int
-i915_debugfs_common_open(struct inode *inode,
- struct file *filp)
-{
- filp->private_data = inode->i_private;
- return 0;
-}
-
static ssize_t
i915_wedged_read(struct file *filp,
char __user *ubuf,
@@ -1560,7 +1552,7 @@ i915_wedged_write(struct file *filp,
static const struct file_operations i915_wedged_fops = {
.owner = THIS_MODULE,
- .open = i915_debugfs_common_open,
+ .open = simple_open,
.read = i915_wedged_read,
.write = i915_wedged_write,
.llseek = default_llseek,
@@ -1622,7 +1614,7 @@ i915_max_freq_write(struct file *filp,
static const struct file_operations i915_max_freq_fops = {
.owner = THIS_MODULE,
- .open = i915_debugfs_common_open,
+ .open = simple_open,
.read = i915_max_freq_read,
.write = i915_max_freq_write,
.llseek = default_llseek,
@@ -1693,7 +1685,7 @@ i915_cache_sharing_write(struct file *filp,
static const struct file_operations i915_cache_sharing_fops = {
.owner = THIS_MODULE,
- .open = i915_debugfs_common_open,
+ .open = simple_open,
.read = i915_cache_sharing_read,
.write = i915_cache_sharing_write,
.llseek = default_llseek,
diff --git a/drivers/hid/hid-picolcd.c b/drivers/hid/hid-picolcd.c
index 12f9777c385..45c3433f798 100644
--- a/drivers/hid/hid-picolcd.c
+++ b/drivers/hid/hid-picolcd.c
@@ -1525,12 +1525,6 @@ static const struct file_operations picolcd_debug_reset_fops = {
/*
* The "eeprom" file
*/
-static int picolcd_debug_eeprom_open(struct inode *i, struct file *f)
-{
- f->private_data = i->i_private;
- return 0;
-}
-
static ssize_t picolcd_debug_eeprom_read(struct file *f, char __user *u,
size_t s, loff_t *off)
{
@@ -1618,7 +1612,7 @@ static ssize_t picolcd_debug_eeprom_write(struct file *f, const char __user *u,
*/
static const struct file_operations picolcd_debug_eeprom_fops = {
.owner = THIS_MODULE,
- .open = picolcd_debug_eeprom_open,
+ .open = simple_open,
.read = picolcd_debug_eeprom_read,
.write = picolcd_debug_eeprom_write,