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| author | Xiongfeng Wang <wangxiongfeng2@huawei.com> | 2017-11-09 07:22:39 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-11-14 12:54:55 +0100 |
| commit | 09e15086936e01d7588020be37ea724116bcefec (patch) | |
| tree | ce0437f6abeba91906df5b02bfea71857f86a927 /drivers/acpi/utils.c | |
| parent | Merge tag 'acpi-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ra... (diff) | |
| download | linux-09e15086936e01d7588020be37ea724116bcefec.tar.xz linux-09e15086936e01d7588020be37ea724116bcefec.zip | |
ACPI / utils: Fix memory leak in acpi_evaluate_reference() error path
When package.count is larger than ACPI_MAX_HANDLES, buffer.pointer is
not freed before the function returns AE_NO_MEMORY. Fix this possible
memory leak by kfree'ing it.
Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/utils.c')
| -rw-r--r-- | drivers/acpi/utils.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index 0a9e5979aaa9..9d49a1acebe3 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -355,6 +355,7 @@ acpi_evaluate_reference(acpi_handle handle, } if (package->package.count > ACPI_MAX_HANDLES) { + kfree(package); return AE_NO_MEMORY; } list->count = package->package.count; |