Thread (3 messages) flat view 3 messages, 3 authors, 2021-02-05

Re: [PATCH] net: hns3: avoid -Wpointer-bool-conversion warning

From: Nathan Chancellor <nathan@kernel.org>
Date: 2021-02-04 21:24:09
Also in: lkml

On Thu, Feb 04, 2021 at 04:38:06PM +0100, Arnd Bergmann wrote:
From: Arnd Bergmann <arnd@arndb.de>

clang points out a redundant sanity check:

drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c:497:28: error: address of array 'filp->f_path.dentry->d_iname' will always evaluate to 'true' [-Werror,-Wpointer-bool-conversion]

This can never fail, so just remove the check.

Fixes: 04987ca1b9b6 ("net: hns3: add debugfs support for tm nodes, priority and qset info")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
quoted hunk ↗ jump to hunk
---
 drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c | 3 ---
 1 file changed, 3 deletions(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
index 6978304f1ac5..c5958754f939 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
@@ -494,9 +494,6 @@ static ssize_t hns3_dbg_read(struct file *filp, char __user *buffer,
 	ssize_t size = 0;
 	int ret = 0;
 
-	if (!filp->f_path.dentry->d_iname)
-		return -EINVAL;
-
 	read_buf = kzalloc(HNS3_DBG_READ_LEN, GFP_KERNEL);
 	if (!read_buf)
 		return -ENOMEM;
-- 
2.29.2
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