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| author | Alex Shi <alex.shi@linaro.org> | 2017-03-20 12:02:33 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2017-03-20 12:02:33 +0800 |
| commit | 156f7b56ee4b918b95991750e0f34da8ad416eae (patch) | |
| tree | fd47da260b3c78631721f36edf01b2878358283a /drivers/scsi/sg.c | |
| parent | 2e2fb031287a5946d97b85769f80ca60f0166e15 (diff) | |
| parent | d97f745e1d2fea4d2f308e5e06eee81a9a84f3f5 (diff) | |
Merge branch 'linux-linaro-lsk-v4.1' into linux-linaro-lsk-v4.1-rtlsk-v4.1-17.06-rtlsk-v4.1-17.05-rtlsk-v4.1-17.03-rtlinux-linaro-lsk-v4.1-rt
Diffstat (limited to 'drivers/scsi/sg.c')
| -rw-r--r-- | drivers/scsi/sg.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 26bc4e9c7441..0cc067ce5715 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -1757,6 +1757,10 @@ sg_start_req(Sg_request *srp, unsigned char *cmd) return res; iov_iter_truncate(&i, hp->dxfer_len); + if (!iov_iter_count(&i)) { + kfree(iov); + return -EINVAL; + } res = blk_rq_map_user_iov(q, rq, md, &i, GFP_ATOMIC); kfree(iov); |