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Commit 206b1d09a56dcd2db1052245c4131879c410eaf8

Authored by Ari Savolainen
Committed by Al Viro
1 parent c2f340a69c
Exists in master and in 6 other branches imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga, smarc-l5.0.0_1.0.0-ga

Fix POSIX ACL permission check 

After commit 3567866bf261: "RCUify freeing acls, let check_acl() go ahead in
RCU mode if acl is cached" posix_acl_permission is being called with an
unsupported flag and the permission check fails. This patch fixes the issue.

Signed-off-by: Ari Savolainen <ari.m.savolainen@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

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

... ... @@ -186,7 +186,7 @@
186 186 /* no ->get_acl() calls in RCU mode... */
187 187 if (acl == ACL_NOT_CACHED)
188 188 return -ECHILD;
189   - return posix_acl_permission(inode, acl, mask);
  189 + return posix_acl_permission(inode, acl, mask & ~MAY_NOT_BLOCK);
190 190 }
191 191  
192 192 acl = get_cached_acl(inode, ACL_TYPE_ACCESS);