X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=arch%2Farm64%2Fkernel%2Fvdso.c;h=9fefb005812a30510f37d68f9e0272175a4f70db;hb=5b58d8361764fc627e19aef1319f5ac7a0d7bf6f;hp=64fc030be0f26cee1cecc26a51598ebabf71278d;hpb=4c2628cd7580bc4f4a4994925cf366185ecc37a5;p=cascardo%2Flinux.git

diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c
index 64fc030be0f2..9fefb005812a 100644
--- a/arch/arm64/kernel/vdso.c
+++ b/arch/arm64/kernel/vdso.c
@@ -95,7 +95,8 @@ int aarch32_setup_vectors_page(struct linux_binprm *bprm, int uses_interp)
 	};
 	void *ret;
 
-	down_write(&mm->mmap_sem);
+	if (down_write_killable(&mm->mmap_sem))
+		return -EINTR;
 	current->mm->context.vdso = (void *)addr;
 
 	/* Map vectors page at the high address. */
@@ -163,7 +164,8 @@ int arch_setup_additional_pages(struct linux_binprm *bprm,
 	/* Be sure to map the data page */
 	vdso_mapping_len = vdso_text_len + PAGE_SIZE;
 
-	down_write(&mm->mmap_sem);
+	if (down_write_killable(&mm->mmap_sem))
+		return -EINTR;
 	vdso_base = get_unmapped_area(NULL, 0, vdso_mapping_len, 0, 0);
 	if (IS_ERR_VALUE(vdso_base)) {
 		ret = ERR_PTR(vdso_base);