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authorChristoph Hellwig <hch@lst.de>2007-04-02 18:47:20 +0000
committerSteve French <sfrench@us.ibm.com>2007-04-02 18:47:20 +0000
commitc33f8d32746db12ba353b0a05b25f7893a0ac344 (patch)
tree874d9ae5afa5c1d1688105974b7ef8e8c3335302 /fs/cifs/readdir.c
parent2e175a90047a2dbc76fde169c990164895b25dfc (diff)
[CIFS] Remove unnecessary checks
file->f_path.dentry or file->f_path.dentry.d_inode can't be NULL since at least ten years, similar for all but very few arguments passed in from the VFS. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/readdir.c')
-rw-r--r--fs/cifs/readdir.c27
1 files changed, 3 insertions, 24 deletions
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index 2a374d5215a..3fab8ed697d 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -444,9 +444,6 @@ static int initiate_cifs_search(const int xid, struct file *file)
cifsFile->invalidHandle = TRUE;
cifsFile->srch_inf.endOfSearch = FALSE;
- if(file->f_path.dentry == NULL)
- return -ENOENT;
-
cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
if(cifs_sb == NULL)
return -EINVAL;
@@ -618,20 +615,10 @@ static int cifs_entry_is_dot(char *current_entry, struct cifsFileInfo *cfile)
whether we can use the cached search results from the previous search */
static int is_dir_changed(struct file * file)
{
- struct inode * inode;
- struct cifsInodeInfo *cifsInfo;
-
- if(file->f_path.dentry == NULL)
- return 0;
-
- inode = file->f_path.dentry->d_inode;
-
- if(inode == NULL)
- return 0;
-
- cifsInfo = CIFS_I(inode);
+ struct inode *inode = file->f_path.dentry->d_inode;
+ struct cifsInodeInfo *cifsInfo = CIFS_I(inode);
- if(cifsInfo->time == 0)
+ if (cifsInfo->time == 0)
return 1; /* directory was changed, perhaps due to unlink */
else
return 0;
@@ -851,9 +838,6 @@ static int cifs_filldir(char *pfindEntry, struct file *file,
if((scratch_buf == NULL) || (pfindEntry == NULL) || (pCifsF == NULL))
return -ENOENT;
- if(file->f_path.dentry == NULL)
- return -ENOENT;
-
rc = cifs_entry_is_dot(pfindEntry,pCifsF);
/* skip . and .. since we added them first */
if(rc != 0)
@@ -997,11 +981,6 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir)
xid = GetXid();
- if(file->f_path.dentry == NULL) {
- FreeXid(xid);
- return -EIO;
- }
-
cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
pTcon = cifs_sb->tcon;
if(pTcon == NULL)