Messages in this thread Patch in this message | | | From | Vishnu Pratap Singh <> | Subject | [PATCH] init/do_mounts: Add create_dev() failure log | Date | Mon, 25 May 2015 19:19:43 +0530 |
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if create_dev() function fails to create the root mount device (/dev/root), then it goes to panic as root device not found but there is no check/log present in case of failure, So i have added the log in case it fails to create the root device. It will help in debugging.
Signed-off-by: Vishnu Pratap Singh <vishnu.ps@samsung.com> --- init/do_mounts.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/init/do_mounts.c b/init/do_mounts.c index 8369ffa..a68aaf6 100644 --- a/init/do_mounts.c +++ b/init/do_mounts.c @@ -532,7 +532,8 @@ void __init mount_root(void) } #endif #ifdef CONFIG_BLOCK - create_dev("/dev/root", ROOT_DEV); + if(create_dev("/dev/root", ROOT_DEV) < 0) + printk(KERN_ERR "Failed to create %s device !!\n", "/dev/root"); mount_block_root("/dev/root", root_mountflags); #endif } -- 1.7.9.5
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