[PATCH v3] selftests: nci: replace unsigned int with int

Should not use comparison of unsigned expressions < 0.

Signed-off-by: Xiang wangx <redacted>
---

Changes since v1
* Change commit log

Changes since v2
* Change commit log

 tools/testing/selftests/nci/nci_dev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/nci/nci_dev.c b/tools/testing/selftests/nci/nci_dev.c
index e1bf55dabdf6..162c41e9bcae 100644
--- a/tools/testing/selftests/nci/nci_dev.c
+++ b/tools/testing/selftests/nci/nci_dev.c

@@ -746,7 +746,7 @@ int read_write_nci_cmd(int nfc_sock, int virtual_fd, const __u8 *cmd, __u32 cmd_
 		       const __u8 *rsp, __u32 rsp_len)
 {
 	char buf[256];
-	unsigned int len;
+	int len;
 
 	send(nfc_sock, &cmd[3], cmd_len - 3, 0);
 	len = read(virtual_fd, buf, cmd_len);

-- 
2.20.1

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Thu, 16 Sep 2021 20:24:42 +0800 you wrote:

Should not use comparison of unsigned expressions < 0.

Signed-off-by: Xiang wangx <redacted>
---

Changes since v1
* Change commit log

[...]

Here is the summary with links:
  - [v3] selftests: nci: replace unsigned int with int
    https://git.kernel.org/netdev/net/c/98dc68f8b0c2

You are awesome, thank you!
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