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Diffstat (limited to 'fs/sysfs/symlink.c')
-rw-r--r--fs/sysfs/symlink.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c
index 7b9c5bfde920..b463f17f6638 100644
--- a/fs/sysfs/symlink.c
+++ b/fs/sysfs/symlink.c
@@ -49,30 +49,33 @@ static int sysfs_add_link(struct dentry * parent, const char * name, struct kobj
49{ 49{
50 struct sysfs_dirent * parent_sd = parent->d_fsdata; 50 struct sysfs_dirent * parent_sd = parent->d_fsdata;
51 struct sysfs_symlink * sl; 51 struct sysfs_symlink * sl;
52 int error = 0; 52 int error;
53 53
54 error = -ENOMEM; 54 error = -ENOMEM;
55 sl = kmalloc(sizeof(*sl), GFP_KERNEL); 55 sl = kzalloc(sizeof(*sl), GFP_KERNEL);
56 if (!sl) 56 if (!sl)
57 goto exit1; 57 goto err_out;
58 58
59 sl->link_name = kmalloc(strlen(name) + 1, GFP_KERNEL); 59 sl->link_name = kmalloc(strlen(name) + 1, GFP_KERNEL);
60 if (!sl->link_name) 60 if (!sl->link_name)
61 goto exit2; 61 goto err_out;
62 62
63 strcpy(sl->link_name, name); 63 strcpy(sl->link_name, name);
64 sl->target_kobj = kobject_get(target); 64 sl->target_kobj = kobject_get(target);
65 65
66 error = sysfs_make_dirent(parent_sd, NULL, sl, S_IFLNK|S_IRWXUGO, 66 error = sysfs_make_dirent(parent_sd, NULL, sl, S_IFLNK|S_IRWXUGO,
67 SYSFS_KOBJ_LINK); 67 SYSFS_KOBJ_LINK);
68 if (!error) 68 if (error)
69 return 0; 69 goto err_out;
70 70
71 kobject_put(target); 71 return 0;
72 kfree(sl->link_name); 72
73exit2: 73 err_out:
74 kfree(sl); 74 if (sl) {
75exit1: 75 kobject_put(sl->target_kobj);
76 kfree(sl->link_name);
77 kfree(sl);
78 }
76 return error; 79 return error;
77} 80}
78 81