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authorMichael Halcrow <mhalcrow@us.ibm.com>2007-10-16 01:28:00 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 09:43:11 -0700
commitc59c2eb53f002de96f48dbc51e4f3bd946cf2458 (patch)
treeaf9c826e357e1edd2c8f3410b98833141a154365 /fs
parent81acbcd6c54c89a9eb09c1b9ca3bd952f6989c10 (diff)
eCryptfs: remove unnecessary BUG_ON
Andrew Morton wrote: > > + mutex_lock(&mount_crypt_stat->global_auth_tok_list_mutex); > > + BUG_ON(mount_crypt_stat->num_global_auth_toks == 0); > > + mutex_unlock(&mount_crypt_stat->global_auth_tok_list_mutex); > > That's odd-looking. If it was a bug for num_global_auth_toks to be > zero, and if that mutex protects num_global_auth_toks then as soon > as the lock gets dropped, another thread can make > num_global_auth_toks zero, hence the bug is present. Perhaps? That was serving as an internal sanity check that should not have made it into the final patch set in the first place. This patch removes it. Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/ecryptfs/crypto.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index 129ed13f825..14cc1f57e7b 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -1029,9 +1029,6 @@ int ecryptfs_new_file_context(struct dentry *ecryptfs_dentry)
int rc = 0;
ecryptfs_set_default_crypt_stat_vals(crypt_stat, mount_crypt_stat);
- mutex_lock(&mount_crypt_stat->global_auth_tok_list_mutex);
- BUG_ON(mount_crypt_stat->num_global_auth_toks == 0);
- mutex_unlock(&mount_crypt_stat->global_auth_tok_list_mutex);
crypt_stat->flags |= ECRYPTFS_ENCRYPTED;
crypt_stat->flags |= ECRYPTFS_KEY_VALID;
ecryptfs_copy_mount_wide_flags_to_inode_flags(crypt_stat,