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authorSjur Braendeland <sjur.brandeland@stericsson.com>2010-05-21 06:16:09 +0400
committerDavid S. Miller <davem@davemloft.net>2010-05-24 10:57:42 +0400
commit638e628a600a5c542d46dfb06771cf9c229ef5f3 (patch)
tree777d4d2b9aee8a1d4b0ce522bf3957023a9bfb7e /net/caif/cfsrvl.c
parent7aecf4944f2c05aafb73b4820e469c74b4ec8517 (diff)
downloadlinux-638e628a600a5c542d46dfb06771cf9c229ef5f3.tar.xz
caif: Bugfix - handle mem-allocation failures
Discovered bugs when injecting slab allocation failures. Add checks on all memory allocation. Signed-off-by: Sjur Braendeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/caif/cfsrvl.c')
-rw-r--r--net/caif/cfsrvl.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/caif/cfsrvl.c b/net/caif/cfsrvl.c
index aff31f34528f..6e5b7079a684 100644
--- a/net/caif/cfsrvl.c
+++ b/net/caif/cfsrvl.c
@@ -123,6 +123,12 @@ static int cfservl_modemcmd(struct cflayer *layr, enum caif_modemcmd ctrl)
struct caif_payload_info *info;
u8 flow_off = SRVL_FLOW_OFF;
pkt = cfpkt_create(SRVL_CTRL_PKT_SIZE);
+ if (!pkt) {
+ pr_warning("CAIF: %s(): Out of memory\n",
+ __func__);
+ return -ENOMEM;
+ }
+
if (cfpkt_add_head(pkt, &flow_off, 1) < 0) {
pr_err("CAIF: %s(): Packet is erroneous!\n",
__func__);