Commit 8d451687 authored by Wen-chien Jesse Sung's avatar Wen-chien Jesse Sung Committed by Linus Torvalds

[PATCH] fix semaphore handling in __unregister_chrdev_region

This up() should be down() instead.
Signed-off-by: default avatarWen-chien Jesse Sung <jesse@cola.voip.idv.tw>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 7e568e62
...@@ -150,7 +150,7 @@ __unregister_chrdev_region(unsigned major, unsigned baseminor, int minorct) ...@@ -150,7 +150,7 @@ __unregister_chrdev_region(unsigned major, unsigned baseminor, int minorct)
struct char_device_struct *cd = NULL, **cp; struct char_device_struct *cd = NULL, **cp;
int i = major_to_index(major); int i = major_to_index(major);
up(&chrdevs_lock); down(&chrdevs_lock);
for (cp = &chrdevs[i]; *cp; cp = &(*cp)->next) for (cp = &chrdevs[i]; *cp; cp = &(*cp)->next)
if ((*cp)->major == major && if ((*cp)->major == major &&
(*cp)->baseminor == baseminor && (*cp)->baseminor == baseminor &&
......
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