Commit d8eca1105fe2039e102c6a8a915d0af937b1b593
Committed by
Matthew Garrett
1 parent
1492616a43
Exists in
master
and in
7 other branches
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>
Showing 1 changed file with 3 additions and 1 deletions Side-by-side Diff
drivers/platform/x86/asus-laptop.c
| ... | ... | @@ -1397,8 +1397,10 @@ |
| 1397 | 1397 | } |
| 1398 | 1398 | } |
| 1399 | 1399 | asus->name = kstrdup(string, GFP_KERNEL); |
| 1400 | - if (!asus->name) | |
| 1400 | + if (!asus->name) { | |
| 1401 | + kfree(buffer.pointer); | |
| 1401 | 1402 | return -ENOMEM; |
| 1403 | + } | |
| 1402 | 1404 | |
| 1403 | 1405 | if (*string) |
| 1404 | 1406 | pr_notice(" %s model detected\n", string); |