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| author | Varun Prakash <varun@chelsio.com> | 2019-05-22 16:40:55 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-05-30 03:48:59 +0200 |
| commit | cc555759117e8349088e0c5d19f2f2a500bafdbd (patch) | |
| tree | b4a4e72205ba9b735f86a9030f5fe8bf63a0947d /drivers/scsi/cxgbi | |
| parent | Revert "scsi: sd: Keep disk read-only when re-reading partition" (diff) | |
| download | linux-cc555759117e8349088e0c5d19f2f2a500bafdbd.tar.xz linux-cc555759117e8349088e0c5d19f2f2a500bafdbd.zip | |
scsi: libcxgbi: add a check for NULL pointer in cxgbi_check_route()
ip_dev_find() can return NULL so add a check for NULL pointer.
Signed-off-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/cxgbi')
| -rw-r--r-- | drivers/scsi/cxgbi/libcxgbi.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index 8b915d4ed98d..7d43e014bd21 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -639,6 +639,10 @@ cxgbi_check_route(struct sockaddr *dst_addr, int ifindex) if (ndev->flags & IFF_LOOPBACK) { ndev = ip_dev_find(&init_net, daddr->sin_addr.s_addr); + if (!ndev) { + err = -ENETUNREACH; + goto rel_neigh; + } mtu = ndev->mtu; pr_info("rt dev %s, loopback -> %s, mtu %u.\n", n->dev->name, ndev->name, mtu); |