From: Ralph Campbell <[EMAIL PROTECTED]>
This patch fixes a simple memory leak if copy_to_user() fails.
Signed-off-by: Ralph Campbell <[EMAIL PROTECTED]>
Signed-off-by: Patrick Marchand Latifi <[EMAIL PROTECTED]>
---
drivers/infiniband/hw/ipath/ipath_cq.c | 11 +++++++----
1 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/infiniband/hw/ipath/ipath_cq.c
b/drivers/infiniband/hw/ipath/ipath_cq.c
index 645ed71..08d8ae1 100644
--- a/drivers/infiniband/hw/ipath/ipath_cq.c
+++ b/drivers/infiniband/hw/ipath/ipath_cq.c
@@ -404,7 +404,7 @@ int ipath_resize_cq(struct ib_cq *ibcq, int cqe, struct
ib_udata *udata)
ret = ib_copy_to_udata(udata, &offset, sizeof(offset));
if (ret)
- goto bail;
+ goto bail_free;
}
spin_lock_irq(&cq->lock);
@@ -424,10 +424,8 @@ int ipath_resize_cq(struct ib_cq *ibcq, int cqe, struct
ib_udata *udata)
else
n = head - tail;
if (unlikely((u32)cqe < n)) {
- spin_unlock_irq(&cq->lock);
- vfree(wc);
ret = -EOVERFLOW;
- goto bail;
+ goto bail_unlock;
}
for (n = 0; tail != head; n++) {
if (cq->ip)
@@ -459,7 +457,12 @@ int ipath_resize_cq(struct ib_cq *ibcq, int cqe, struct
ib_udata *udata)
}
ret = 0;
+ goto bail;
+bail_unlock:
+ spin_unlock_irq(&cq->lock);
+bail_free:
+ vfree(wc);
bail:
return ret;
}
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