2013-05-13 04:34:24

by Wei Yongjun

[permalink] [raw]
Subject: [PATCH] gdrom: fix error return code in probe_gdrom()

From: Wei Yongjun <[email protected]>

Fix to return -ENOMEM in the memory alloc error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <[email protected]>
---
drivers/cdrom/gdrom.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c
index 4afcb65..6cbcbe2 100644
--- a/drivers/cdrom/gdrom.c
+++ b/drivers/cdrom/gdrom.c
@@ -807,16 +807,20 @@ static int probe_gdrom(struct platform_device *devptr)
if (err)
goto probe_fail_cmdirq_register;
gd.gdrom_rq = blk_init_queue(gdrom_request, &gdrom_lock);
- if (!gd.gdrom_rq)
+ if (!gd.gdrom_rq) {
+ err = -ENOMEM;
goto probe_fail_requestq;
+ }

err = probe_gdrom_setupqueue();
if (err)
goto probe_fail_toc;

gd.toc = kzalloc(sizeof(struct gdromtoc), GFP_KERNEL);
- if (!gd.toc)
+ if (!gd.toc) {
+ err = -ENOMEM;
goto probe_fail_toc;
+ }
add_disk(gd.disk);
return 0;