[BlueZ,v2] client/player: add error code handling to transport_recv()

Commit Message

Roman Smirnov July 4, 2024, 10:49 a.m. UTC

It is necessary to add return value check as in sock_send().

Found with the SVACE static analysis tool.
---
 V1 -> V2: the name of the patch has been shortened
 client/player.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

Comments

[e-mail] July 4, 2024, 12:41 p.m. UTC | #1

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Dear submitter,

Thank you for submitting the patches to the linux bluetooth mailing list.
This is a CI test results with your patch series:
PW Link:https://patchwork.kernel.org/project/bluetooth/list/?series=868404

---Test result---

Test Summary:
CheckPatch                    PASS      0.26 seconds
GitLint                       PASS      0.19 seconds
BuildEll                      PASS      24.36 seconds
BluezMake                     PASS      1651.77 seconds
MakeCheck                     PASS      12.94 seconds
MakeDistcheck                 PASS      180.39 seconds
CheckValgrind                 PASS      255.77 seconds
CheckSmatch                   PASS      360.05 seconds
bluezmakeextell               PASS      120.85 seconds
IncrementalBuild              PASS      1441.50 seconds
ScanBuild                     PASS      1030.93 seconds



---
Regards,
Linux Bluetooth

Patch

diff --git a/client/player.c b/client/player.c
index 0d031e4b0..1340a7584 100644
--- a/client/player.c
+++ b/client/player.c
@@ -4514,7 +4514,13 @@  static bool transport_recv(struct io *io, void *user_data)
 	uint8_t buf[1024];
 	int ret, len;
 
-	ret = read(io_get_fd(io), buf, sizeof(buf));
+	ret = io_get_fd(io);
+	if (ret < 0) {
+		bt_shell_printf("io_get_fd() returned %d\n", ret);
+		return true;
+	}
+
+	ret = read(ret, buf, sizeof(buf));
 	if (ret < 0) {
 		bt_shell_printf("Failed to read: %s (%d)\n", strerror(errno),
 								-errno);