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authorLinus Walleij <linus.walleij@linaro.org>2022-05-01 23:25:10 +0200
committerLinus Walleij <linus.walleij@linaro.org>2022-05-01 23:25:10 +0200
commitf930b69a8944ab3f018e2a175ddbd16e71348df9 (patch)
treebfde4972394d741196bcd1cf173bfda4639123a7 /kernel/kcov.c
parentfdc33eba11c5919199f3d13dc53571cc7bf19d7d (diff)
parent672c0c5173427e6b3e2a9bbb7be51ceeec78093a (diff)
Merge tag 'v5.18-rc5' into devel
Merge in Linux 5.18-rc5 since new code to the STM32 driver depend in a non-trivial way on the fixes merged in -rc5. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'kernel/kcov.c')
-rw-r--r--kernel/kcov.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/kernel/kcov.c b/kernel/kcov.c
index 475524bd900a..b3732b210593 100644
--- a/kernel/kcov.c
+++ b/kernel/kcov.c
@@ -475,8 +475,11 @@ static int kcov_mmap(struct file *filep, struct vm_area_struct *vma)
vma->vm_flags |= VM_DONTEXPAND;
for (off = 0; off < size; off += PAGE_SIZE) {
page = vmalloc_to_page(kcov->area + off);
- if (vm_insert_page(vma, vma->vm_start + off, page))
- WARN_ONCE(1, "vm_insert_page() failed");
+ res = vm_insert_page(vma, vma->vm_start + off, page);
+ if (res) {
+ pr_warn_once("kcov: vm_insert_page() failed\n");
+ return res;
+ }
}
return 0;
exit: