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| author | Andrzej Hajda <a.hajda@samsung.com> | 2015-09-21 15:33:43 +0200 |
|---|---|---|
| committer | Sebastian Reichel <sre@kernel.org> | 2016-01-07 16:06:22 +0100 |
| commit | 6bf6ded3008a407ccab5ad72eb59ab71b97cc290 (patch) | |
| tree | fb6e5de8a0a0826ea2ec8743d899d03e8cfd6137 | |
| parent | 403c5c0650816375527a6feecfb255d9b494dda3 (diff) | |
| download | linux-6bf6ded3008a407ccab5ad72eb59ab71b97cc290.tar.gz linux-6bf6ded3008a407ccab5ad72eb59ab71b97cc290.tar.bz2 linux-6bf6ded3008a407ccab5ad72eb59ab71b97cc290.zip | |
HSI: omap_ssi: fix handling ida_simple_get result
The function can return negative value.
The problem has been detected using proposed semantic patch
scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1].
[1]: http://permalink.gmane.org/gmane.linux.kernel/2038576
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
| -rw-r--r-- | drivers/hsi/controllers/omap_ssi.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/hsi/controllers/omap_ssi.c b/drivers/hsi/controllers/omap_ssi.c index f6d3100b7a32..27b91f14ba7a 100644 --- a/drivers/hsi/controllers/omap_ssi.c +++ b/drivers/hsi/controllers/omap_ssi.c @@ -323,11 +323,10 @@ static int __init ssi_add_controller(struct hsi_controller *ssi, return -ENOMEM; } - ssi->id = ida_simple_get(&platform_omap_ssi_ida, 0, 0, GFP_KERNEL); - if (ssi->id < 0) { - err = ssi->id; + err = ida_simple_get(&platform_omap_ssi_ida, 0, 0, GFP_KERNEL); + if (err < 0) goto out_err; - } + ssi->id = err; ssi->owner = THIS_MODULE; ssi->device.parent = &pd->dev; |