diff options
author | Tony Lindgren <tony@atomide.com> | 2012-11-13 13:25:38 -0800 |
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committer | Tony Lindgren <tony@atomide.com> | 2012-11-13 13:25:38 -0800 |
commit | 89ab216b33ba9405880fd3d89531305a931bc70f (patch) | |
tree | 8f6428ce51ecaed6f6e1379c036dbe341eb71e34 /fs/sysfs/dir.c | |
parent | c9d501e5cb0238910337213e12a09127221c35d8 (diff) | |
parent | 46bf4a562207c5ebd24e1dde5e5ee326cd3d6b91 (diff) |
Merge branch 'omap-for-v3.8/pm' into omap-for-v3.8/clock
Diffstat (limited to 'fs/sysfs/dir.c')
-rw-r--r-- | fs/sysfs/dir.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c index 6b0bb00d4d2b..2fbdff6be25c 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c @@ -485,20 +485,18 @@ int __sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd) /** * sysfs_pathname - return full path to sysfs dirent * @sd: sysfs_dirent whose path we want - * @path: caller allocated buffer + * @path: caller allocated buffer of size PATH_MAX * * Gives the name "/" to the sysfs_root entry; any path returned * is relative to wherever sysfs is mounted. - * - * XXX: does no error checking on @path size */ static char *sysfs_pathname(struct sysfs_dirent *sd, char *path) { if (sd->s_parent) { sysfs_pathname(sd->s_parent, path); - strcat(path, "/"); + strlcat(path, "/", PATH_MAX); } - strcat(path, sd->s_name); + strlcat(path, sd->s_name, PATH_MAX); return path; } @@ -531,9 +529,11 @@ int sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd) char *path = kzalloc(PATH_MAX, GFP_KERNEL); WARN(1, KERN_WARNING "sysfs: cannot create duplicate filename '%s'\n", - (path == NULL) ? sd->s_name : - strcat(strcat(sysfs_pathname(acxt->parent_sd, path), "/"), - sd->s_name)); + (path == NULL) ? sd->s_name + : (sysfs_pathname(acxt->parent_sd, path), + strlcat(path, "/", PATH_MAX), + strlcat(path, sd->s_name, PATH_MAX), + path)); kfree(path); } |