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ARM: at91/dt: Fix sama5d3x typos
[cascardo/linux.git]
/
lib
/
iovec.c
diff --git
a/lib/iovec.c
b/lib/iovec.c
index
7a7c2da
..
df3abd1
100644
(file)
--- a/
lib/iovec.c
+++ b/
lib/iovec.c
@@
-85,6
+85,10
@@
EXPORT_SYMBOL(memcpy_toiovecend);
int memcpy_fromiovecend(unsigned char *kdata, const struct iovec *iov,
int offset, int len)
{
+ /* No data? Done! */
+ if (len == 0)
+ return 0;
+
/* Skip over the finished iovecs */
while (offset >= iov->iov_len) {
offset -= iov->iov_len;