Eric Lee / smarc-ti-linux-kernel

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Commit 54c33e7f95284539e52ec2d99dcdf6efd29b247f

Authored by Miklos Szeredi
Committed by Al Viro
1 parent d45ea86792
Exists in master and in 20 other branches dlt-processor-sdk-linux-03.00.00.04, newt-ti-linux-3.12.y, processor-sdk-linux-01.00.00, processor-sdk-linux-02.00.01, smarc-ti-linux-3.12.10, smarc-ti-linux-3.12.y, smarc-ti-linux-3.14.y, smarc-ti-linux-3.15.y, smarc-ti-lsk-linux-4.1.y, smarct3x-processor-sdk-04.01.00.06, smarct3x-processor-sdk-linux-02.00.01, smarct3x-processor-sdk-linux-03.00.00.04, smarct4x-800-processor-sdk-linux-02.00.01, smarct4x-processor-sdk-04.01.00.06, smarct4x-processor-sdk-linux-02.00.01, smarct4x-processor-sdk-linux-03.00.00.04, ti-linux-3.12.y, ti-linux-3.14.y, ti-linux-3.15.y, ti-lsk-linux-4.1.y

vfs: do_last(): make ENOENT exit RCU safe 

This will allow this code to be used in RCU mode.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

Showing 1 changed file with 4 additions and 2 deletions Side-by-side Diff

... ... @@ -2361,8 +2361,10 @@
2361 2361 BUG_ON(nd->flags & LOOKUP_RCU);
2362 2362 inode = path->dentry->d_inode;
2363 2363 error = -ENOENT;
2364   - if (!inode)
2365   - goto exit_dput;
  2364 + if (!inode) {
  2365 + path_to_nameidata(path, nd);
  2366 + goto exit;
  2367 + }
2366 2368  
2367 2369 if (should_follow_link(inode, !symlink_ok)) {
2368 2370 if (nd->flags & LOOKUP_RCU) {