The patch titled
Subject: mm/kmemleak.c: change error at _write when kmemleak is disabled
has been added to the -mm tree. Its filename is
mm-kmemleak-change-error-at-_write-when-kmemleak-is-disabled.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-kmemleak-change-error-at-_write-when-kmemleak-is-disabled.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-kmemleak-change-error-at-_write-when-kmemleak-is-disabled.patch
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------------------------------------------------------
From: André Almeida <andrealmeid@xxxxxxxxxxxxx>
Subject: mm/kmemleak.c: change error at _write when kmemleak is disabled
According to POSIX, EBUSY means that the "device or resource is busy", and
this can lead to people thinking that the file
`/sys/kernel/debug/kmemleak/` is somehow locked or being used by other
process. Change this error code to a more appropriate one.
Link: http://lkml.kernel.org/r/20190612155231.19448-1-andrealmeid@xxxxxxxxxxxxx
Signed-off-by: André Almeida <andrealmeid@xxxxxxxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/kmemleak.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/kmemleak.c~mm-kmemleak-change-error-at-_write-when-kmemleak-is-disabled
+++ a/mm/kmemleak.c
@@ -1866,7 +1866,7 @@ static ssize_t kmemleak_write(struct fil
}
if (!kmemleak_enabled) {
- ret = -EBUSY;
+ ret = -EPERM;
goto out;
}
_
Patches currently in -mm which might be from andrealmeid@xxxxxxxxxxxxx are
mm-kmemleak-change-error-at-_write-when-kmemleak-is-disabled.patch
