lib: vdso: Remove CROSS_COMPILE_COMPAT_VDSO

[linux-2.6-microblaze.git] / lib / string.c

diff --git a/lib/string.c b/lib/string.c
index 461fb62..cd7a10c 100644 (file)
--- 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)
 {