rsxx: enable error return of rsxx_eeh_save_issued_dmas()
Commit d8d595df introduced a bug where we did not check for a NULL
return from kmalloc(). Make rsxx_eeh_save_issued_dmas() return an
error for that case, and make the callers handle that.
Signed-off-by: Philip J Kelleher <pjk1939@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/drivers/block/rsxx/dma.c b/drivers/block/rsxx/dma.c
index 95047e1..7594c6d 100644
--- a/drivers/block/rsxx/dma.c
+++ b/drivers/block/rsxx/dma.c
@@ -980,7 +980,7 @@
}
}
-void rsxx_eeh_save_issued_dmas(struct rsxx_cardinfo *card)
+int rsxx_eeh_save_issued_dmas(struct rsxx_cardinfo *card)
{
int i;
int j;
@@ -990,6 +990,8 @@
issued_dmas = kzalloc(sizeof(*issued_dmas) * card->n_targets,
GFP_KERNEL);
+ if (!issued_dmas)
+ return -ENOMEM;
for (i = 0; i < card->n_targets; i++) {
INIT_LIST_HEAD(&issued_dmas[i]);
@@ -1030,6 +1032,8 @@
}
kfree(issued_dmas);
+
+ return 0;
}
void rsxx_eeh_cancel_dmas(struct rsxx_cardinfo *card)
