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authorAxel Lin <axel.lin@gmail.com>2010-06-29 07:09:47 +0400
committerMatthew Garrett <mjg@redhat.com>2010-08-03 17:48:51 +0400
commitd8eca1105fe2039e102c6a8a915d0af937b1b593 (patch)
tree5892ef1f6d5b536cc65adb9c217c11cfaf4c5e16 /drivers/platform/x86
parent1492616a434dae1908d0da2d6ee6605ca5a77e6f (diff)
downloadlinux-d8eca1105fe2039e102c6a8a915d0af937b1b593.tar.xz
asus-laptop: fix a memory leak in asus_laptop_get_info error path
The callers of write_acpi_int_ret() pass ACPI_ALLOCATE_BUFFER, the caller must kfree the returned buffer if AE_OK is returned. This patch adds a missing kfree(buffer.pointer) before return -ENOMEM if kstrdup fail. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Matthew Garrett <mjg@redhat.com>
Diffstat (limited to 'drivers/platform/x86')
-rw-r--r--drivers/platform/x86/asus-laptop.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index efe8f6388906..4af5709f8317 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -1397,8 +1397,10 @@ static int asus_laptop_get_info(struct asus_laptop *asus)
}
}
asus->name = kstrdup(string, GFP_KERNEL);
- if (!asus->name)
+ if (!asus->name) {
+ kfree(buffer.pointer);
return -ENOMEM;
+ }
if (*string)
pr_notice(" %s model detected\n", string);