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Fix incorrect inode link count check in case of rename.

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The check was incorrect because the directory inode link count have
min value 2 after dir_nlink extfs feature introduction.
This commit is contained in:
Fedor Uporov 2020-05-17 14:03:13 +00:00
parent ec81c9cc06
commit 86e2d48bf9
1 changed files with 2 additions and 1 deletions
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3
sys/fs/ext2fs/ext2_vnops.c
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@ -1018,10 +1018,11 @@ abortit:
*/
ext2_dec_nlink(xp);
if (doingdirectory) {
if (--xp->i_nlink != 0)
if (xp->i_nlink > 2)
panic("ext2_rename: linked directory");
error = ext2_truncate(tvp, (off_t)0, IO_SYNC,
tcnp->cn_cred, tcnp->cn_thread);
xp->i_nlink = 0;
}
xp->i_flag |= IN_CHANGE;
vput(tvp);