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Message-Id: <1407486050-9375-1-git-send-email-Julia.Lawall@lip6.fr>
Date: Fri, 8 Aug 2014 10:20:50 +0200
From: Julia Lawall <Julia.Lawall@...6.fr>
To: Joshua Morris <josh.h.morris@...ibm.com>,
Jeff Moyer <jmoyer@...hat.com>
Cc: kernel-janitors@...r.kernel.org,
Philip Kelleher <pjk1939@...ux.vnet.ibm.com>,
linux-kernel@...r.kernel.org
Subject: [PATCH] block: add abort on failure
From: Julia Lawall <Julia.Lawall@...6.fr>
Initializing card seems to be critical to the rest of the probe process, so
abort the probe function if the calls to rsxx_load_config and
rsxx_get_num_targets do not succeed.
Suggested by Jeff Moyer.
Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>
---
drivers/block/rsxx/core.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/block/rsxx/core.c b/drivers/block/rsxx/core.c
index a8de2ee..ae2805b 100644
--- a/drivers/block/rsxx/core.c
+++ b/drivers/block/rsxx/core.c
@@ -915,15 +915,19 @@ static int rsxx_pci_probe(struct pci_dev *dev,
/************* Load Card Config *************/
st = rsxx_load_config(card);
- if (st)
+ if (st) {
dev_err(CARD_TO_DEV(card),
"Failed loading card config\n");
+ goto failed_dma_setup;
+ }
/************* Setup DMA Engine *************/
st = rsxx_get_num_targets(card, &card->n_targets);
- if (st)
+ if (st) {
dev_info(CARD_TO_DEV(card),
"Failed reading the number of DMA targets\n");
+ goto failed_dma_setup;
+ }
card->ctrl = kzalloc(card->n_targets * sizeof(*card->ctrl), GFP_KERNEL);
if (!card->ctrl) {
--
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