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| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2019-10-02 14:37:20 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2019-10-31 07:22:53 -0400 |
| commit | 2ad98ab8f68c71e2db140c6d5f1020aa6fbacb9e (patch) | |
| tree | 5fa807dd8e6b61f15ac83c6422704e117aca591f /lib/linux_compat.c | |
| parent | 9b3fbb2b439a717dda0eaa34cb455a9ce38532ef (diff) | |
| download | u-boot-2ad98ab8f68c71e2db140c6d5f1020aa6fbacb9e.tar.gz | |
linux_compat: fix potential NULL pointer access
malloc_cache_aligned() might return zero, so fix potential NULL pointer
access if __GFP_ZERO flag is set.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Ralph Siemsen <ralph.siemsen@linaro.org>
Diffstat (limited to 'lib/linux_compat.c')
| -rw-r--r-- | lib/linux_compat.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/linux_compat.c b/lib/linux_compat.c index 6373b4451e..81ea8fb126 100644 --- a/lib/linux_compat.c +++ b/lib/linux_compat.c @@ -20,7 +20,7 @@ void *kmalloc(size_t size, int flags) void *p; p = malloc_cache_aligned(size); - if (flags & __GFP_ZERO) + if (p && flags & __GFP_ZERO) memset(p, 0, size); return p; |