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IB/srp: Check match_strdup() return
Checks if the kmalloc in match_strdup() was successful, and bail out on looking at the token if it failed. Signed-off-by: Ishai Rabinovitz <ishai@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
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@ -1621,18 +1621,30 @@ static int srp_parse_options(const char *buf, struct srp_target_port *target)
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switch (token) {
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case SRP_OPT_ID_EXT:
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p = match_strdup(args);
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if (!p) {
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ret = -ENOMEM;
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goto out;
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}
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target->id_ext = cpu_to_be64(simple_strtoull(p, NULL, 16));
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kfree(p);
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break;
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case SRP_OPT_IOC_GUID:
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p = match_strdup(args);
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if (!p) {
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ret = -ENOMEM;
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goto out;
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}
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target->ioc_guid = cpu_to_be64(simple_strtoull(p, NULL, 16));
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kfree(p);
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break;
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case SRP_OPT_DGID:
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p = match_strdup(args);
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if (!p) {
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ret = -ENOMEM;
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goto out;
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}
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if (strlen(p) != 32) {
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printk(KERN_WARNING PFX "bad dest GID parameter '%s'\n", p);
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kfree(p);
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@ -1656,6 +1668,10 @@ static int srp_parse_options(const char *buf, struct srp_target_port *target)
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case SRP_OPT_SERVICE_ID:
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p = match_strdup(args);
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if (!p) {
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ret = -ENOMEM;
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goto out;
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}
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target->service_id = cpu_to_be64(simple_strtoull(p, NULL, 16));
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kfree(p);
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break;
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@ -1693,6 +1709,10 @@ static int srp_parse_options(const char *buf, struct srp_target_port *target)
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case SRP_OPT_INITIATOR_EXT:
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p = match_strdup(args);
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if (!p) {
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ret = -ENOMEM;
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goto out;
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}
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target->initiator_ext = cpu_to_be64(simple_strtoull(p, NULL, 16));
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kfree(p);
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break;
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