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exofs: oops after late failure in mount

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We have already set ->s_root, so ->put_super() is going to be called.
Freeing ->s_fs_info is a bloody bad idea when it's going to be
dereferenced very shortly...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-01-08 19:45:28 -05:00
parent 3850aba748
commit da01636a65
1 changed files with 2 additions and 0 deletions
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2
fs/exofs/super.c
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@ -838,6 +838,8 @@ static int exofs_fill_super(struct super_block *sb, void *data, int silent)
ret = bdi_setup_and_register(&sbi->bdi, "exofs", BDI_CAP_MAP_COPY);
if (ret) {
EXOFS_DBGMSG("Failed to bdi_setup_and_register\n");
dput(sb->s_root);
sb->s_root = NULL;
goto free_sbi;
}