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| author | Dave Airlie <airlied@redhat.com> | 2014-08-05 09:04:59 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2014-08-05 09:04:59 +1000 |
| commit | 5d42f82a9b8c5168d75cf59307cd271feca94464 (patch) | |
| tree | a7049189a2c814589b3ad7e6e776fb736f980967 /net/compat.c | |
| parent | c759606c96dc052373d4c36ea383595da46b04e9 (diff) | |
| parent | 19583ca584d6f574384e17fe7613dfaeadcdc4a6 (diff) | |
Merge tag 'v3.16' into drm-next
Linux 3.16
backmerge requested by i915, nouveau and radeon authors
Conflicts:
drivers/gpu/drm/i915/i915_gem_render_state.c
drivers/gpu/drm/i915/intel_drv.h
Diffstat (limited to 'net/compat.c')
| -rw-r--r-- | net/compat.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/net/compat.c b/net/compat.c index 9a76eaf6318..bc8aeefddf3 100644 --- a/net/compat.c +++ b/net/compat.c @@ -85,7 +85,7 @@ int verify_compat_iovec(struct msghdr *kern_msg, struct iovec *kern_iov, { int tot_len; - if (kern_msg->msg_namelen) { + if (kern_msg->msg_name && kern_msg->msg_namelen) { if (mode == VERIFY_READ) { int err = move_addr_to_kernel(kern_msg->msg_name, kern_msg->msg_namelen, @@ -93,10 +93,11 @@ int verify_compat_iovec(struct msghdr *kern_msg, struct iovec *kern_iov, if (err < 0) return err; } - if (kern_msg->msg_name) - kern_msg->msg_name = kern_address; - } else + kern_msg->msg_name = kern_address; + } else { kern_msg->msg_name = NULL; + kern_msg->msg_namelen = 0; + } tot_len = iov_from_user_compat_to_kern(kern_iov, (struct compat_iovec __user *)kern_msg->msg_iov, |