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tcm_vhost: Fix incorrect IS_ERR() usage in vhost_scsi_map_iov_to_sgl

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Fix up a new coccinelle warnings reported by Fengguang Wu + Intel
0-DAY kernel build testing backend:

drivers/vhost/tcm_vhost.c:537:23-29: ERROR: allocation function on line
533 returns NULL not ERR_PTR on failure

vim +537 drivers/vhost/tcm_vhost.c
   534          if (!sg)
   535                  return -ENOMEM;
   536          pr_debug("%s sg %p sgl_count %u is_err %ld\n", __func__,
 > 537                 sg, sgl_count, IS_ERR(sg));
   538          sg_init_table(sg, sgl_count);
   539
   540          tv_cmd->tvc_sgl = sg;

Signed-off-by: Fengguang Wu <[email protected]>
Signed-off-by: Nicholas Bellinger <[email protected]>
This commit is contained in:
Fengguang Wu 2012-07-30 13:19:07 -07:00 • committed by Nicholas Bellinger
commit f0e0e9bba5
1 changed files with 2 additions and 2 deletions
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4
drivers/vhost/tcm_vhost.c
View file

@ -533,8 +533,8 @@ static int vhost_scsi_map_iov_to_sgl(struct tcm_vhost_cmd *tv_cmd,
sg = kmalloc(sizeof(tv_cmd->tvc_sgl[0]) * sgl_count, GFP_ATOMIC);
if (!sg)
return -ENOMEM;
pr_debug("%s sg %p sgl_count %u is_err %ld\n", __func__,
sg, sgl_count, IS_ERR(sg));
pr_debug("%s sg %p sgl_count %u is_err %d\n", __func__,
sg, sgl_count, !sg);
sg_init_table(sg, sgl_count);
tv_cmd->tvc_sgl = sg;