Messages in this thread Patch in this message | | | Date | Mon, 20 Aug 2007 23:54:50 -0700 | From | Greg KH <> | Subject | [patch 08/20] ACPICA: Fixed possible corruption of global GPE list |
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-stable review patch. If anyone has any objections, please let us know.
------------------ From: Bob Moore <robert.moore@intel.com>
ACPICA: Fixed possible corruption of global GPE list
Fixed a problem in acpi_ev_delete_gpe_xrupt where the global interrupt list could be corrupted if the interrupt being removed was at the head of the list. Reported by Linn Crosetto.
Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com> Cc: Chuck Ebbert <cebbert@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- drivers/acpi/events/evgpeblk.c | 4 ++++ 1 file changed, 4 insertions(+)
--- a/drivers/acpi/events/evgpeblk.c +++ b/drivers/acpi/events/evgpeblk.c @@ -586,6 +586,10 @@ acpi_ev_delete_gpe_xrupt(struct acpi_gpe flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock); if (gpe_xrupt->previous) { gpe_xrupt->previous->next = gpe_xrupt->next; + } else { + /* No previous, update list head */ + + acpi_gbl_gpe_xrupt_list_head = gpe_xrupt->next; } if (gpe_xrupt->next) { -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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