When allocation of idata fails there was a null dereference.
Signed-off-by: Vladimir Motyka <vladimir.motyka@xxxxxxxxx>
---
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 407836d..a03cdc6 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -237,7 +237,7 @@ static struct mmc_blk_ioc_data
*mmc_blk_ioctl_copy_from_user(
idata = kzalloc(sizeof(*idata), GFP_KERNEL);
if (!idata) {
err = -ENOMEM;
- goto copy_err;
+ goto alloc_err;
}
if (copy_from_user(&idata->ic, user, sizeof(idata->ic))) {
@@ -268,8 +268,8 @@ static struct mmc_blk_ioc_data
*mmc_blk_ioctl_copy_from_user(
copy_err:
kfree(idata->buf);
kfree(idata);
+alloc_err:
return ERR_PTR(err);
-
}
static int mmc_blk_ioctl_cmd(struct block_device *bdev,
--
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