Linus, please pull from
master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband.git for-linus
This tree is also available from kernel.org mirrors at:
git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband.git
for-linus
This will pick up three small fixes:
Hoang-Nam Nguyen (2):
IB/ehca: Fix improper use of yield() with spinlock held
IB/ehca: Fix mismatched spin_unlock in irq handler
Ishai Rabinovitz (1):
IB/srp: Check match_strdup() return
drivers/infiniband/hw/ehca/ehca_cq.c | 5 ++++-
drivers/infiniband/hw/ehca/ehca_irq.c | 3 ++-
drivers/infiniband/ulp/srp/ib_srp.c | 20 ++++++++++++++++++++
3 files changed, 26 insertions(+), 2 deletions(-)
diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c
b/drivers/infiniband/hw/ehca/ehca_cq.c
index 93995b6..6074c89 100644
--- a/drivers/infiniband/hw/ehca/ehca_cq.c
+++ b/drivers/infiniband/hw/ehca/ehca_cq.c
@@ -344,8 +344,11 @@ int ehca_destroy_cq(struct ib_cq *cq)
unsigned long flags;
spin_lock_irqsave(&ehca_cq_idr_lock, flags);
- while (my_cq->nr_callbacks)
+ while (my_cq->nr_callbacks) {
+ spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);
yield();
+ spin_lock_irqsave(&ehca_cq_idr_lock, flags);
+ }
idr_remove(&ehca_cq_idr, my_cq->token);
spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);
diff --git a/drivers/infiniband/hw/ehca/ehca_irq.c
b/drivers/infiniband/hw/ehca/ehca_irq.c
index e7209af..c069be8 100644
--- a/drivers/infiniband/hw/ehca/ehca_irq.c
+++ b/drivers/infiniband/hw/ehca/ehca_irq.c
@@ -440,7 +440,8 @@ void ehca_tasklet_eq(unsigned long data)
cq = idr_find(&ehca_cq_idr, token);
if (cq == NULL) {
- spin_unlock(&ehca_cq_idr_lock);
+
spin_unlock_irqrestore(&ehca_cq_idr_lock,
+ flags);
break;
}
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c
b/drivers/infiniband/ulp/srp/ib_srp.c
index cdecbf5..72611fd 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -1621,18 +1621,30 @@ static int srp_parse_options(const char *buf, struct
srp_target_port *target)
switch (token) {
case SRP_OPT_ID_EXT:
p = match_strdup(args);
+ if (!p) {
+ ret = -ENOMEM;
+ goto out;
+ }
target->id_ext = cpu_to_be64(simple_strtoull(p, NULL,
16));
kfree(p);
break;
case SRP_OPT_IOC_GUID:
p = match_strdup(args);
+ if (!p) {
+ ret = -ENOMEM;
+ goto out;
+ }
target->ioc_guid = cpu_to_be64(simple_strtoull(p, NULL,
16));
kfree(p);
break;
case SRP_OPT_DGID:
p = match_strdup(args);
+ if (!p) {
+ ret = -ENOMEM;
+ goto out;
+ }
if (strlen(p) != 32) {
printk(KERN_WARNING PFX "bad dest GID parameter
'%s'\n", p);
kfree(p);
@@ -1656,6 +1668,10 @@ static int srp_parse_options(const char *buf, struct
srp_target_port *target)
case SRP_OPT_SERVICE_ID:
p = match_strdup(args);
+ if (!p) {
+ ret = -ENOMEM;
+ goto out;
+ }
target->service_id = cpu_to_be64(simple_strtoull(p,
NULL, 16));
kfree(p);
break;
@@ -1693,6 +1709,10 @@ static int srp_parse_options(const char *buf, struct
srp_target_port *target)
case SRP_OPT_INITIATOR_EXT:
p = match_strdup(args);
+ if (!p) {
+ ret = -ENOMEM;
+ goto out;
+ }
target->initiator_ext = cpu_to_be64(simple_strtoull(p,
NULL, 16));
kfree(p);
break;
-
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