4.4-stable review patch. If anyone has any objections, please let me know.
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From: Bart Van Assche bart.vanassche@wdc.com
commit c70ca38960399a63d5c048b7b700612ea321d17e upstream.
Make srpt_parse_i_port_id() return a negative value if hex2bin() fails.
Fixes: commit a42d985bd5b2 ("ib_srpt: Initial SRP Target merge for v3.3-rc1") Signed-off-by: Bart Van Assche bart.vanassche@wdc.com Signed-off-by: Doug Ledford dledford@redhat.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/infiniband/ulp/srpt/ib_srpt.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-)
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -3425,7 +3425,7 @@ static int srpt_parse_i_port_id(u8 i_por { const char *p; unsigned len, count, leading_zero_bytes; - int ret, rc; + int ret;
p = name; if (strncasecmp(p, "0x", 2) == 0) @@ -3437,10 +3437,9 @@ static int srpt_parse_i_port_id(u8 i_por count = min(len / 2, 16U); leading_zero_bytes = 16 - count; memset(i_port_id, 0, leading_zero_bytes); - rc = hex2bin(i_port_id + leading_zero_bytes, p, count); - if (rc < 0) - pr_debug("hex2bin failed for srpt_parse_i_port_id: %d\n", rc); - ret = 0; + ret = hex2bin(i_port_id + leading_zero_bytes, p, count); + if (ret < 0) + pr_debug("hex2bin failed for srpt_parse_i_port_id: %d\n", ret); out: return ret; }