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staging: lustre: llite: correct removexattr detection

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[ Upstream commit 1b60f6dfa3 ]

In ll_xattr_set_common() detect the removexattr() case correctly by
testing for a NULL value as well as XATTR_REPLACE.

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-10787
Reviewed-on: https://review.whamcloud.com/
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
James Simmons
2018-04-16 00:15:10 -04:00
committed by Greg Kroah-Hartman
parent fea5a0d878
commit e906355a7f
1 changed files with 5 additions and 1 deletions
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6
drivers/staging/lustre/lustre/llite/xattr.c
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@@ -93,7 +93,11 @@ ll_xattr_set_common(const struct xattr_handler *handler,
__u64 valid;
int rc;
if (flags == XATTR_REPLACE) {
/* When setxattr() is called with a size of 0 the value is
* unconditionally replaced by "". When removexattr() is
* called we get a NULL value and XATTR_REPLACE for flags.
*/
if (!value && flags == XATTR_REPLACE) {
ll_stats_ops_tally(ll_i2sbi(inode), LPROC_LL_REMOVEXATTR, 1);
valid = OBD_MD_FLXATTRRM;
} else {