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| author | Alexander Shiyan <shc_work@mail.ru> | 2013-04-26 20:41:09 +0400 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2013-04-30 09:35:55 +0200 |
| commit | ef3e752fa1992cf2fa4b947b240146ebcb712097 (patch) | |
| tree | 3e398ab9e052d8590293b1289be4a34639e48fb5 /drivers/mci/atmel_mci.c | |
| parent | 857eb73c9420fbfd597f5188ee2006bebabf5226 (diff) | |
| download | barebox-ef3e752fa1992cf2fa4b947b240146ebcb712097.tar.gz barebox-ef3e752fa1992cf2fa4b947b240146ebcb712097.tar.xz | |
MCI: atmel: Fix possible null pointer dereference
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/mci/atmel_mci.c')
| -rw-r--r-- | drivers/mci/atmel_mci.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/mci/atmel_mci.c b/drivers/mci/atmel_mci.c index f032403109..c5fd306a9a 100644 --- a/drivers/mci/atmel_mci.c +++ b/drivers/mci/atmel_mci.c @@ -262,11 +262,13 @@ static int atmci_read_response(struct atmel_mci *host, unsigned int stat) { struct mci_cmd *cmd = host->cmd; int i; - u32 *resp = (u32 *)cmd->response; + u32 *resp; if (!cmd) return 0; + resp = (u32 *)cmd->response; + if (stat & (ATMCI_RTOE | ATMCI_DTOE)) { dev_err(host->hw_dev, "command/data timeout\n"); return -ETIMEDOUT; |