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fs: rename the mountpoint should go through pseudorename branch

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to avoid this type of error:
mount -t procfs /a/b
mv /a/b /
mv: rename failed: 88

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
This commit is contained in:
Xiang Xiao 2020-09-15 23:13:53 +08:00 committed by Brennan Ashton
parent 8602e46d4a
commit 59fbd35609
1 changed files with 1 additions and 1 deletions
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2
fs/vfs/fs_rename.c
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@ -513,7 +513,7 @@ int rename(FAR const char *oldpath, FAR const char *newpath)
#ifndef CONFIG_DISABLE_MOUNTPOINT #ifndef CONFIG_DISABLE_MOUNTPOINT
/* Verify that the old inode is a valid mountpoint. */ /* Verify that the old inode is a valid mountpoint. */
if (INODE_IS_MOUNTPT(oldinode)) if (INODE_IS_MOUNTPT(oldinode) && *olddesc.relpath != '\0')
{ {
ret = mountptrename(oldpath, oldinode, olddesc.relpath, newpath); ret = mountptrename(oldpath, oldinode, olddesc.relpath, newpath);
} }