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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-10-03 11:24:46 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-10-03 11:24:46 -0700 |
| commit | 447a8b858e4bda41c394b1bc7fdbc9dc0bdf44f6 (patch) | |
| tree | 676e741f2552c9cb301e1e49c557b92bf8940f55 /lib/iovec.c | |
| parent | 3049683eafdbbbd7350b0e5ca02a2d8c026a3362 (diff) | |
| parent | 042e1c79166b9250edd8262bea84e1703f27ad2e (diff) | |
| download | op-kernel-dev-447a8b858e4bda41c394b1bc7fdbc9dc0bdf44f6.zip op-kernel-dev-447a8b858e4bda41c394b1bc7fdbc9dc0bdf44f6.tar.gz | |
Merge branch 'next' into for-linus
Prepare first round of input updates for 3.18.
Diffstat (limited to 'lib/iovec.c')
| -rw-r--r-- | lib/iovec.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/iovec.c b/lib/iovec.c index 7a7c2da..df3abd1 100644 --- 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; |
