Message ID | 45be0302-ea5d-4f35-892a-47617edd27ec@CMEXHTCAS1.ad.emulex.com (mailing list archive) |
---|---|
State | Superseded |
Headers | show |
Hi, Le vendredi 26 septembre 2014 à 15:49 +0530, Devesh Sharma a écrit : > During create-ah from user land, uverbs is sending > garbage data in attr.dmac and attr.vlan_id. This > patch prevents the same. > > Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com> > --- > drivers/infiniband/core/uverbs_cmd.c | 1 + > 1 files changed, 1 insertions(+), 0 deletions(-) > > diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c > index 0600c50..0b1ce71 100644 > --- a/drivers/infiniband/core/uverbs_cmd.c > +++ b/drivers/infiniband/core/uverbs_cmd.c > @@ -2508,6 +2508,7 @@ ssize_t ib_uverbs_create_ah(struct ib_uverbs_file *file, > goto err; > } > > + memset(&attr, 0, sizeof(attr)); It's a bit overkill. > attr.dlid = cmd.attr.dlid; > attr.sl = cmd.attr.sl; > attr.src_path_bits = cmd.attr.src_path_bits; Just do memset(attr.dmac, 0, sizeof(attr.dmac)); attr.vlan_id = 0; In the spirit of <http://marc.info/?i=1409661154-13718-1-git-send-email-ogerlitz@mellanox.com>, please add the following to the commit message: Fixes: dd5f03beb4f7 ('IB/core: Ethernet L2 attributes in verbs/cm structures') Cc: Matan Barak <matanb@mellanox.com> Cc: Or Gerlitz <ogerlitz@mellanox.com>
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 0600c50..0b1ce71 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -2508,6 +2508,7 @@ ssize_t ib_uverbs_create_ah(struct ib_uverbs_file *file, goto err; } + memset(&attr, 0, sizeof(attr)); attr.dlid = cmd.attr.dlid; attr.sl = cmd.attr.sl; attr.src_path_bits = cmd.attr.src_path_bits;
During create-ah from user land, uverbs is sending garbage data in attr.dmac and attr.vlan_id. This patch prevents the same. Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com> --- drivers/infiniband/core/uverbs_cmd.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)