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| author | Kunwu Chan <chentao@kylinos.cn> | 2023-12-04 10:32:23 +0800 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2023-12-13 22:13:41 +1100 |
| commit | f46c8a75263f97bda13c739ba1c90aced0d3b071 (patch) | |
| tree | 141cd712c2036c8907a149881f8c81c36e4bbc73 /arch/powerpc/platforms | |
| parent | b20f98e8b3deb50247603f0242ee2d1e38726635 (diff) | |
| download | linux-stable-f46c8a75263f97bda13c739ba1c90aced0d3b071.tar.gz linux-stable-f46c8a75263f97bda13c739ba1c90aced0d3b071.tar.bz2 linux-stable-f46c8a75263f97bda13c739ba1c90aced0d3b071.zip | |
powerpc/mm: Fix null-pointer dereference in pgtable_cache_add
kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure. Ensure the allocation was successful
by checking the pointer validity.
Suggested-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Suggested-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231204023223.2447523-1-chentao@kylinos.cn
Diffstat (limited to 'arch/powerpc/platforms')
0 files changed, 0 insertions, 0 deletions