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| author | Ming Lin <mlin@kernel.org> | 2015-03-29 23:11:30 -0700 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2015-04-07 23:27:58 -0700 |
| commit | 2e1cd90d718a5fc721e0caa0dc9f037d9b1f46b8 (patch) | |
| tree | db299afd5e70126a52bba991a79bd2daffdf9957 | |
| parent | 9e35eff449fc7c7106ea0fd64457afacf68f3bb3 (diff) | |
| download | linux-stable-2e1cd90d718a5fc721e0caa0dc9f037d9b1f46b8.tar.gz linux-stable-2e1cd90d718a5fc721e0caa0dc9f037d9b1f46b8.tar.bz2 linux-stable-2e1cd90d718a5fc721e0caa0dc9f037d9b1f46b8.zip | |
tcm_loop: fixup tpgt string to integer conversion
Currently, for example, mkdir "tpgt_xyz" doesn't return error.
mkdir /sys/kernel/config/target/loopback/naa.60014055f195952b/tpgt_xyz
Replace obsoleted simple_strtoul with kstrtoul and check the conversion.
Signed-off-by: Ming Lin <mlin@kernel.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
| -rw-r--r-- | drivers/target/loopback/tcm_loop.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c index 797c7315f520..2114c1d2c9de 100644 --- a/drivers/target/loopback/tcm_loop.c +++ b/drivers/target/loopback/tcm_loop.c @@ -1216,21 +1216,19 @@ static struct se_portal_group *tcm_loop_make_naa_tpg( struct tcm_loop_hba *tl_hba = container_of(wwn, struct tcm_loop_hba, tl_hba_wwn); struct tcm_loop_tpg *tl_tpg; - char *tpgt_str, *end_ptr; int ret; - unsigned short int tpgt; + unsigned long tpgt; - tpgt_str = strstr(name, "tpgt_"); - if (!tpgt_str) { + if (strstr(name, "tpgt_") != name) { pr_err("Unable to locate \"tpgt_#\" directory" " group\n"); return ERR_PTR(-EINVAL); } - tpgt_str += 5; /* Skip ahead of "tpgt_" */ - tpgt = (unsigned short int) simple_strtoul(tpgt_str, &end_ptr, 0); + if (kstrtoul(name+5, 10, &tpgt)) + return ERR_PTR(-EINVAL); if (tpgt >= TL_TPGS_PER_HBA) { - pr_err("Passed tpgt: %hu exceeds TL_TPGS_PER_HBA:" + pr_err("Passed tpgt: %lu exceeds TL_TPGS_PER_HBA:" " %u\n", tpgt, TL_TPGS_PER_HBA); return ERR_PTR(-EINVAL); } @@ -1247,7 +1245,7 @@ static struct se_portal_group *tcm_loop_make_naa_tpg( return ERR_PTR(-ENOMEM); pr_debug("TCM_Loop_ConfigFS: Allocated Emulated %s" - " Target Port %s,t,0x%04x\n", tcm_loop_dump_proto_id(tl_hba), + " Target Port %s,t,0x%04lx\n", tcm_loop_dump_proto_id(tl_hba), config_item_name(&wwn->wwn_group.cg_item), tpgt); return &tl_tpg->tl_se_tpg; |