Messages in this thread Patch in this message |  | | From | cgel.zte@gmail ... | Subject | [PATCH] alpha: add null pointer check | Date | Sat, 2 Apr 2022 08:34:36 +0000 |
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From: Lv Ruyi <lv.ruyi@zte.com.cn>
kmalloc is a memory allocation function which can return NULL when some internal memory errors happen. Add null pointer check to avoid dereferencing null pointer.
Reported-by: Zeal Robot <zealci@zte.com.cn> Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn> --- arch/alpha/kernel/module.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/alpha/kernel/module.c b/arch/alpha/kernel/module.c index 5b60c248de9e..5442b75a98c2 100644 --- a/arch/alpha/kernel/module.c +++ b/arch/alpha/kernel/module.c @@ -47,6 +47,8 @@ process_reloc_for_got(Elf64_Rela *rela, } g = kmalloc (sizeof (*g), GFP_KERNEL); + if (!g) + return; g->next = chains[r_sym].next; g->r_addend = r_addend; g->got_offset = *poffset; -- 2.25.1
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