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| author | Luigi Rizzo <luigi@FreeBSD.org> | 2014-11-10 08:31:56 +0000 |
|---|---|---|
| committer | Luigi Rizzo <luigi@FreeBSD.org> | 2014-11-10 08:31:56 +0000 |
| commit | 0506889c15d39b8edb35bf871ef1f35112a13e1e (patch) | |
| tree | fccb9e9283439f0a4d398b84e0d3c8d65eb02897 /sys/net/netmap_user.h | |
| parent | 8bcd603968ef19c64a0bfe69519a932cd4c2ee33 (diff) | |
| download | src-0506889c15d39b8edb35bf871ef1f35112a13e1e.tar.gz src-0506889c15d39b8edb35bf871ef1f35112a13e1e.zip | |
return kernel-supplied error if available.
Also fix field names in a comment.
Notes
Notes:
svn path=/head/; revision=274338
Diffstat (limited to 'sys/net/netmap_user.h')
| -rw-r--r-- | sys/net/netmap_user.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/net/netmap_user.h b/sys/net/netmap_user.h index 5faf671b8976..aab6c358de73 100644 --- a/sys/net/netmap_user.h +++ b/sys/net/netmap_user.h @@ -40,7 +40,7 @@ * From there: * struct netmap_ring *NETMAP_TXRING(nifp, index) * struct netmap_ring *NETMAP_RXRING(nifp, index) - * we can access ring->nr_cur, ring->nr_avail, ring->nr_flags + * we can access ring->cur, ring->head, ring->tail, etc. * * ring->slot[i] gives us the i-th slot (we can access * directly len, flags, buf_idx) @@ -543,7 +543,8 @@ fail: nm_close(d); if (errmsg) D("%s %s", errmsg, ifname); - errno = EINVAL; + if (errno == 0) + errno = EINVAL; return NULL; } |