From: Eric W. Biederman Date: Tue, 31 Jan 2012 14:40:26 +0000 (-0800) Subject: sysfs: Update the name hash when renaming sysfs entries X-Git-Tag: v3.4-rc1~187^2~38 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=d5c38b137ac8a6e3dbed13bc494d60df5b69dfc4;p=karo-tx-linux.git sysfs: Update the name hash when renaming sysfs entries This fixes a bug introduced with sysfs name hashes where renaming a network device appears to succeed but silently makes the sysfs files for that network device inaccessible. In at least one configuration this bug has stopped networking from coming up during boot. Signed-off-by: Eric W. Biederman Tested-by: Jiri Slaby Signed-off-by: Greg Kroah-Hartman --- diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c index ea64d01400ac..dd3779cf3a3b 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c @@ -872,6 +872,7 @@ int sysfs_rename(struct sysfs_dirent *sd, dup_name = sd->s_name; sd->s_name = new_name; + sd->s_hash = sysfs_name_hash(sd->s_ns, sd->s_name); } /* Move to the appropriate place in the appropriate directories rbtree. */