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Diffstat (limited to 'fs/jffs2/fs.c')
-rw-r--r--fs/jffs2/fs.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c
index 09e5d10b884..ea1f37d4fc5 100644
--- a/fs/jffs2/fs.c
+++ b/fs/jffs2/fs.c
@@ -56,15 +56,20 @@ static int jffs2_do_setattr (struct inode *inode, struct iattr *iattr)
mdatalen = sizeof(dev);
D1(printk(KERN_DEBUG "jffs2_setattr(): Writing %d bytes of kdev_t\n", mdatalen));
} else if (S_ISLNK(inode->i_mode)) {
+ down(&f->sem);
mdatalen = f->metadata->size;
mdata = kmalloc(f->metadata->size, GFP_USER);
- if (!mdata)
+ if (!mdata) {
+ up(&f->sem);
return -ENOMEM;
+ }
ret = jffs2_read_dnode(c, f, f->metadata, mdata, 0, mdatalen);
if (ret) {
+ up(&f->sem);
kfree(mdata);
return ret;
}
+ up(&f->sem);
D1(printk(KERN_DEBUG "jffs2_setattr(): Writing %d bytes of symlink target\n", mdatalen));
}