Commit 8ce84eeb5b40da21f20174dd25891a8409534237
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4714e63731
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jfs: fix d_revalidate oopsen on NFS exports
can't blindly check nd->flags in ->d_revalidate() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Showing 1 changed file with 1 additions and 1 deletions Side-by-side Diff
fs/jfs/namei.c
| ... | ... | @@ -1600,7 +1600,7 @@ |
| 1600 | 1600 | |
| 1601 | 1601 | static int jfs_ci_revalidate(struct dentry *dentry, struct nameidata *nd) |
| 1602 | 1602 | { |
| 1603 | - if (nd->flags & LOOKUP_RCU) | |
| 1603 | + if (nd && nd->flags & LOOKUP_RCU) | |
| 1604 | 1604 | return -ECHILD; |
| 1605 | 1605 | /* |
| 1606 | 1606 | * This is not negative dentry. Always valid. |