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authorChuck Lever <chuck.lever@oracle.com>2023-06-30 13:48:56 -0400
committerChristian Brauner <brauner@kernel.org>2023-08-09 09:15:40 +0200
commit23a31d87645c652734f89f477f69ddac9aa402cb (patch)
tree0c7e5e0bfafa1d8f06c29658980a0396c2826131 /mm/shmem.c
parent6faddda69f623d38bb097640689901a4b5ff881a (diff)
shmem: Refactor shmem_symlink()
De-duplicate the error handling paths. No change in behavior is expected. Suggested-by: Jeff Layton <jlayton@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Message-Id: <168814733654.530310.9958360833543413152.stgit@manet.1015granger.net> Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'mm/shmem.c')
-rw-r--r--mm/shmem.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/mm/shmem.c b/mm/shmem.c
index 72326ea74954..f5006ea3b8e1 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -3422,26 +3422,22 @@ static int shmem_symlink(struct mnt_idmap *idmap, struct inode *dir,
error = security_inode_init_security(inode, dir, &dentry->d_name,
shmem_initxattrs, NULL);
- if (error && error != -EOPNOTSUPP) {
- iput(inode);
- return error;
- }
+ if (error && error != -EOPNOTSUPP)
+ goto out_iput;
inode->i_size = len-1;
if (len <= SHORT_SYMLINK_LEN) {
inode->i_link = kmemdup(symname, len, GFP_KERNEL);
if (!inode->i_link) {
- iput(inode);
- return -ENOMEM;
+ error = -ENOMEM;
+ goto out_iput;
}
inode->i_op = &shmem_short_symlink_operations;
} else {
inode_nohighmem(inode);
error = shmem_get_folio(inode, 0, &folio, SGP_WRITE);
- if (error) {
- iput(inode);
- return error;
- }
+ if (error)
+ goto out_iput;
inode->i_mapping->a_ops = &shmem_aops;
inode->i_op = &shmem_symlink_inode_operations;
memcpy(folio_address(folio), symname, len);
@@ -3456,6 +3452,9 @@ static int shmem_symlink(struct mnt_idmap *idmap, struct inode *dir,
d_instantiate(dentry, inode);
dget(dentry);
return 0;
+out_iput:
+ iput(inode);
+ return error;
}
static void shmem_put_link(void *arg)