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authorThomas Renninger <trenn@suse.de>2010-01-29 17:48:51 +0100
committerLen Brown <len.brown@intel.com>2010-01-31 21:43:04 -0500
commitd2f6650a950dadd20667a04a9dc785f240d43695 (patch)
tree6ad17e1824dded4a114fd8b3be1f3024fc88da74 /fs/udf/unicode.c
parentabe94c756c08d50566c09a65b9c7fe72f83071c5 (diff)
ACPI: Add NULL pointer check in acpi_bus_start
If acpi_bus_add does not return a device and it's passed to acpi_bus_start, bad things will happen: BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 IP: [<ffffffff8128402d>] acpi_bus_start+0x14/0x24 ... [<ffffffffa008977a>] acpiphp_bus_add+0xba/0x130 [acpiphp] [<ffffffffa008aa72>] enable_device+0x132/0x2ff [acpiphp] [<ffffffffa0089b68>] acpiphp_enable_slot+0xb8/0x130 [acpiphp] [<ffffffffa0089df7>] handle_hotplug_event_func+0x87/0x190 [acpiphp] Next patch would make this NULL pointer check obsolete, but better having one more than one missing... Signed-off-by: Thomas Renninger <trenn@suse.de> Acked-by: Bjorn Helgaas <bjorn.helgaas@hp.com> CC: stable@kernel.org Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'fs/udf/unicode.c')
0 files changed, 0 insertions, 0 deletions