5.15-stable review patch. If anyone has any objections, please let me know.
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From: Lu Hongfei luhongfei@vivo.com
[ Upstream commit ccb5889af97c03c67a83fcd649602034578c0d61 ]
The return value of ksmbd_vfs_query_maximal_access is meaningless, it is better to modify it to void.
Signed-off-by: Lu Hongfei luhongfei@vivo.com Acked-by: Namjae Jeon linkinjeon@kernel.org Signed-off-by: Steve French stfrench@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/ksmbd/smb2pdu.c | 4 +--- fs/ksmbd/vfs.c | 6 +----- fs/ksmbd/vfs.h | 2 +- 3 files changed, 3 insertions(+), 9 deletions(-)
--- a/fs/ksmbd/smb2pdu.c +++ b/fs/ksmbd/smb2pdu.c @@ -2877,11 +2877,9 @@ int smb2_open(struct ksmbd_work *work) if (!file_present) { daccess = cpu_to_le32(GENERIC_ALL_FLAGS); } else { - rc = ksmbd_vfs_query_maximal_access(user_ns, + ksmbd_vfs_query_maximal_access(user_ns, path.dentry, &daccess); - if (rc) - goto err_out; already_permitted = true; } maximal_access = daccess; --- a/fs/ksmbd/vfs.c +++ b/fs/ksmbd/vfs.c @@ -121,11 +121,9 @@ err_out: return -ENOENT; }
-int ksmbd_vfs_query_maximal_access(struct user_namespace *user_ns, +void ksmbd_vfs_query_maximal_access(struct user_namespace *user_ns, struct dentry *dentry, __le32 *daccess) { - int ret = 0; - *daccess = cpu_to_le32(FILE_READ_ATTRIBUTES | READ_CONTROL);
if (!inode_permission(user_ns, d_inode(dentry), MAY_OPEN | MAY_WRITE)) @@ -142,8 +140,6 @@ int ksmbd_vfs_query_maximal_access(struc
if (!inode_permission(user_ns, d_inode(dentry->d_parent), MAY_EXEC | MAY_WRITE)) *daccess |= FILE_DELETE_LE; - - return ret; }
/** --- a/fs/ksmbd/vfs.h +++ b/fs/ksmbd/vfs.h @@ -111,7 +111,7 @@ struct ksmbd_kstat { };
int ksmbd_vfs_lock_parent(struct dentry *parent, struct dentry *child); -int ksmbd_vfs_query_maximal_access(struct user_namespace *user_ns, +void ksmbd_vfs_query_maximal_access(struct user_namespace *user_ns, struct dentry *dentry, __le32 *daccess); int ksmbd_vfs_create(struct ksmbd_work *work, const char *name, umode_t mode); int ksmbd_vfs_mkdir(struct ksmbd_work *work, const char *name, umode_t mode);