diff options
| author | Maxime Ripard <mripard@kernel.org> | 2019-10-03 09:59:29 +0200 |
|---|---|---|
| committer | Maxime Ripard <mripard@kernel.org> | 2019-10-03 09:59:29 +0200 |
| commit | 77fdaa091d79c87323a9f3912a25f73e02ea2a01 (patch) | |
| tree | 0e47e2d3c4a966277dbaec075f4685187fdae482 /lib/string.c | |
| parent | e2c4ed148cf3ec8669a1d90dc66966028e5fad70 (diff) | |
| parent | 54ecb8f7028c5eb3d740bb82b0f1d90f2df63c5c (diff) | |
Merge drm/drm-fixes into drm-misc-fixes
We haven't backmerged for a while, let's start the -rc period by pulling
rc1.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'lib/string.c')
| -rw-r--r-- | lib/string.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/lib/string.c b/lib/string.c index 461fb620f85f..cd7a10c19210 100644 --- a/lib/string.c +++ b/lib/string.c @@ -173,8 +173,9 @@ EXPORT_SYMBOL(strlcpy); * doesn't unnecessarily force the tail of the destination buffer to be * zeroed. If zeroing is desired please use strscpy_pad(). * - * Return: The number of characters copied (not including the trailing - * %NUL) or -E2BIG if the destination buffer wasn't big enough. + * Returns: + * * The number of characters copied (not including the trailing %NUL) + * * -E2BIG if count is 0 or @src was truncated. */ ssize_t strscpy(char *dest, const char *src, size_t count) { @@ -182,7 +183,7 @@ ssize_t strscpy(char *dest, const char *src, size_t count) size_t max = count; long res = 0; - if (count == 0) + if (count == 0 || WARN_ON_ONCE(count > INT_MAX)) return -E2BIG; #ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS @@ -253,8 +254,9 @@ EXPORT_SYMBOL(strscpy); * For full explanation of why you may want to consider using the * 'strscpy' functions please see the function docstring for strscpy(). * - * Return: The number of characters copied (not including the trailing - * %NUL) or -E2BIG if the destination buffer wasn't big enough. + * Returns: + * * The number of characters copied (not including the trailing %NUL) + * * -E2BIG if count is 0 or @src was truncated. */ ssize_t strscpy_pad(char *dest, const char *src, size_t count) { |