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Groups > linux.kernel > #1371099

[PATCH 17/18] staging: lustre: fix 'no effect' errors

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From: Sebastien Buisson <sbuisson@ddn.com>

Fix 'no effect' issues found by Coverity version 6.5.1:

Unsigned compared against 0 (NO_EFFECT)
This greater-than-or-equal-to-zero comparison of an unsigned value
is always true.

Remove useless cast.

Signed-off-by: Sebastien Buisson <sbuisson@ddn.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3907
Reviewed-on: http://review.whamcloud.com/7166
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
---
 drivers/staging/lustre/lustre/llite/xattr.c |    3 +--
 drivers/staging/lustre/lustre/lmv/lmv_obd.c |    2 +-
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/lustre/lustre/llite/xattr.c b/drivers/staging/lustre/lustre/llite/xattr.c
index 6282478..6589108 100644
--- a/drivers/staging/lustre/lustre/llite/xattr.c
+++ b/drivers/staging/lustre/lustre/llite/xattr.c
@@ -423,8 +423,7 @@ getxattr_nocache:
 	if (rce && rce->rce_ops == RMT_LSETFACL) {
 		ext_acl_xattr_header *acl;
 
-		acl = lustre_posix_acl_xattr_2ext(
-					(posix_acl_xattr_header *)buffer, rc);
+		acl = lustre_posix_acl_xattr_2ext(buffer, rc);
 		if (IS_ERR(acl)) {
 			rc = PTR_ERR(acl);
 			goto out;
diff --git a/drivers/staging/lustre/lustre/lmv/lmv_obd.c b/drivers/staging/lustre/lustre/lmv/lmv_obd.c
index 8bd2dc5..3969732 100644
--- a/drivers/staging/lustre/lustre/lmv/lmv_obd.c
+++ b/drivers/staging/lustre/lustre/lmv/lmv_obd.c
@@ -926,7 +926,7 @@ static int lmv_iocontrol(unsigned int cmd, struct obd_export *exp,
 		struct obd_quotactl *oqctl;
 
 		if (qctl->qc_valid == QC_MDTIDX) {
-			if (qctl->qc_idx < 0 || count <= qctl->qc_idx)
+			if (count <= qctl->qc_idx)
 				return -EINVAL;
 
 			tgt = lmv->tgts[qctl->qc_idx];
-- 
1.7.1

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[PATCH 00/18] fill in missing patches present in 2.4.92 version James Simmons <jsimmons@infradead.org> - 2016-04-05 03:50 +0200
  [PATCH 05/18] staging: lustre: libcfs: make D_HSM a unique value James Simmons <jsimmons@infradead.org> - 2016-04-05 03:50 +0200
  [PATCH 13/18] staging: lustre: hsm: Add CLF_RENAME_LAST flag James Simmons <jsimmons@infradead.org> - 2016-04-05 03:50 +0200
  [PATCH 16/18] staging: lustre: hsm: Add support to drop all pages for ll_data_version James Simmons <jsimmons@infradead.org> - 2016-04-05 03:50 +0200
  [PATCH 04/18] staging: lustre: libcfs: create array of debug names James Simmons <jsimmons@infradead.org> - 2016-04-05 03:50 +0200
  [PATCH 15/18] staging: lustre: llite: cancel open lock before closing file James Simmons <jsimmons@infradead.org> - 2016-04-05 03:50 +0200
  [PATCH 03/18] staging: lustre: libcfs: remove userland comments in libcfs_debug.h James Simmons <jsimmons@infradead.org> - 2016-04-05 03:50 +0200
  [PATCH 12/18] staging: lustre: mdc: document mdc_rpc_lock James Simmons <jsimmons@infradead.org> - 2016-04-05 03:50 +0200
  [PATCH 02/18] staging: lustre: llite: use 64bits flags in ll_lov_setea() James Simmons <jsimmons@infradead.org> - 2016-04-05 03:50 +0200
  [PATCH 08/18] staging: lustre: hsm: copy start error should set HP_FLAG_COMPLETED James Simmons <jsimmons@infradead.org> - 2016-04-05 03:50 +0200
  [PATCH 11/18] staging: lustre: llite: Delaying creation of client side proc entries. James Simmons <jsimmons@infradead.org> - 2016-04-05 03:50 +0200
  [PATCH 01/18] staging: lustre: ldlm: fix 'deadcode' errors James Simmons <jsimmons@infradead.org> - 2016-04-05 03:50 +0200
  [PATCH 17/18] staging: lustre: fix 'no effect' errors James Simmons <jsimmons@infradead.org> - 2016-04-05 03:50 +0200
  [PATCH 07/18] staging: lustre: hsm: rename hai_zero() HSM function James Simmons <jsimmons@infradead.org> - 2016-04-05 03:50 +0200
  [PATCH 10/18] staging: lustre: llite: reset writeback index in ll_writepages James Simmons <jsimmons@infradead.org> - 2016-04-05 03:50 +0200
  [PATCH 06/18] staging: lustre: hsm: Fix lu_ref for lease handle James Simmons <jsimmons@infradead.org> - 2016-04-05 03:50 +0200
  [PATCH 14/18] staging: lustre: fix 'NULL pointer dereference' errors James Simmons <jsimmons@infradead.org> - 2016-04-05 03:50 +0200
  [PATCH 09/18] staging: lustre: lov: Get the correct address of lmm_objects James Simmons <jsimmons@infradead.org> - 2016-04-05 04:00 +0200

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