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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-10-11 16:19:19 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-10-16 16:07:22 +0300
commitbe5767341ce56a6a7adf9df3fd07cf8a0611a5d0 (patch)
tree5e5258349f28caf0b9467fb1e315489e1bcf13d0 /drivers/ntb
parent8e5802635f0f9f7329ec8ffdec15479946c99fb1 (diff)
downloadlinux-be5767341ce56a6a7adf9df3fd07cf8a0611a5d0.tar.xz
ntb: ntb_pingpong: no need to check the return value of debugfs calls
There is no need to check the return value of debugfs_create_atomic_t as nothing happens with the error. Also, the code will never return NULL, so this check has never caught anything :) Fix this by removing the check entirely. Cc: Jon Mason <jdmason@kudzu.us> Cc: Dave Jiang <dave.jiang@intel.com> Cc: Allen Hubbe <allenbh@gmail.com> Cc: linux-ntb@googlegroups.com Cc: linux-kernel@vger.kernel.org Link: https://lore.kernel.org/r/20191011131919.GA1174815@kroah.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/ntb')
-rw-r--r--drivers/ntb/test/ntb_pingpong.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/ntb/test/ntb_pingpong.c b/drivers/ntb/test/ntb_pingpong.c
index 65865e460ab8..04dd46647db3 100644
--- a/drivers/ntb/test/ntb_pingpong.c
+++ b/drivers/ntb/test/ntb_pingpong.c
@@ -354,13 +354,10 @@ static void pp_clear_ctx(struct pp_ctx *pp)
static void pp_setup_dbgfs(struct pp_ctx *pp)
{
struct pci_dev *pdev = pp->ntb->pdev;
- void *ret;
pp->dbgfs_dir = debugfs_create_dir(pci_name(pdev), pp_dbgfs_topdir);
- ret = debugfs_create_atomic_t("count", 0600, pp->dbgfs_dir, &pp->count);
- if (!ret)
- dev_warn(&pp->ntb->dev, "DebugFS unsupported\n");
+ debugfs_create_atomic_t("count", 0600, pp->dbgfs_dir, &pp->count);
}
static void pp_clear_dbgfs(struct pp_ctx *pp)