From: Lv Ruyi <lv.ruyi@xxxxxxxxxx> 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@xxxxxxxxxx> Signed-off-by: Lv Ruyi <lv.ruyi@xxxxxxxxxx> --- 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
