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| author | Robert Watson <rwatson@FreeBSD.org> | 2003-08-29 19:27:09 +0000 |
|---|---|---|
| committer | Robert Watson <rwatson@FreeBSD.org> | 2003-08-29 19:27:09 +0000 |
| commit | b50a132f22f5b279e29433cdc768dbb388f92d5b (patch) | |
| tree | d2fcb21aca5e00f21c334507917c0fb9d87991df /sys/netatalk | |
| parent | 2166ffe8e1c20605b899c90b1de75fa5baca4396 (diff) | |
| download | src-b50a132f22f5b279e29433cdc768dbb388f92d5b.tar.gz src-b50a132f22f5b279e29433cdc768dbb388f92d5b.zip | |
More checking of M_PREPEND() return values: pass through link-layer
Appletalk code. These changes are untested since I don't have
an Appletalk environment.
Notes
Notes:
svn path=/head/; revision=119561
Diffstat (limited to 'sys/netatalk')
| -rw-r--r-- | sys/netatalk/aarp.c | 6 | ||||
| -rw-r--r-- | sys/netatalk/ddp_output.c | 2 |
2 files changed, 8 insertions, 0 deletions
diff --git a/sys/netatalk/aarp.c b/sys/netatalk/aarp.c index b4370973e858..abe66571d3a0 100644 --- a/sys/netatalk/aarp.c +++ b/sys/netatalk/aarp.c @@ -167,6 +167,9 @@ aarpwhohas( struct arpcom *ac, struct sockaddr_at *sat ) sizeof( eh->ether_dhost )); eh->ether_type = htons(sizeof(struct llc) + sizeof(struct ether_aarp)); M_PREPEND( m, sizeof( struct llc ), M_TRYWAIT ); + if ( m == NULL ) { + return; + } llc = mtod( m, struct llc *); llc->llc_dsap = llc->llc_ssap = LLC_SNAP_LSAP; llc->llc_control = LLC_UI; @@ -581,6 +584,9 @@ aarpprobe( void *arg ) eh->ether_type = htons( sizeof( struct llc ) + sizeof( struct ether_aarp )); M_PREPEND( m, sizeof( struct llc ), M_TRYWAIT ); + if ( m == NULL ) { + return; + } llc = mtod( m, struct llc *); llc->llc_dsap = llc->llc_ssap = LLC_SNAP_LSAP; llc->llc_control = LLC_UI; diff --git a/sys/netatalk/ddp_output.c b/sys/netatalk/ddp_output.c index f15914be2bba..5f7874da38a3 100644 --- a/sys/netatalk/ddp_output.c +++ b/sys/netatalk/ddp_output.c @@ -56,6 +56,8 @@ ddp_output( struct mbuf *m, struct socket *so) #endif M_PREPEND( m, sizeof( struct ddpehdr ), M_TRYWAIT ); + if ( m == NULL ) + return( ENOBUFS ); deh = mtod( m, struct ddpehdr *); deh->deh_pad = 0; |