diff mbox series

eth: fbnic: Avoid garbage value in fbnic_mac_get_sensor_asic()

Message ID 20241224022728.675609-1-suhui@nfschina.com (mailing list archive)
State New
Delegated to: Netdev Maintainers
Headers show
Series eth: fbnic: Avoid garbage value in fbnic_mac_get_sensor_asic() | expand

Checks

Context Check Description
netdev/series_format warning Single patches do not need cover letters; Target tree name not specified in the subject
netdev/tree_selection success Guessed tree name to be net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 1 this patch: 1
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 10 of 10 maintainers
netdev/build_clang success Errors and warnings before: 2 this patch: 2
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success Fixes tag looks correct
netdev/build_allmodconfig_warn success Errors and warnings before: 1 this patch: 1
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 21 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-12-24--06-00 (tests: 880)

Commit Message

Su Hui Dec. 24, 2024, 2:27 a.m. UTC 
'fw_cmpl' is uninitialized which makes 'sensor' and '*val' to be stored
garbage value. Initialize 'fw_cmpl' with 'fdb->cmpl_data' to fix this
problem.

Fixes: d85ebade02e8 ("eth: fbnic: Add hardware monitoring support via HWMON interface")
Signed-off-by: Su Hui <suhui@nfschina.com>
---
 drivers/net/ethernet/meta/fbnic/fbnic_mac.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_mac.c b/drivers/net/ethernet/meta/fbnic/fbnic_mac.c
index 80b82ff12c4d..ab1d1864d7a8 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_mac.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_mac.c
@@ -688,15 +688,18 @@  fbnic_mac_get_eth_mac_stats(struct fbnic_dev *fbd, bool reset,
 
 static int fbnic_mac_get_sensor_asic(struct fbnic_dev *fbd, int id, long *val)
 {
-	struct fbnic_fw_completion fw_cmpl;
+	struct fbnic_fw_completion *fw_cmpl = fbd->cmpl_data;
 	s32 *sensor;
 
+	if (!fw_cmpl)
+		return -EINVAL;
+
 	switch (id) {
 	case FBNIC_SENSOR_TEMP:
-		sensor = &fw_cmpl.tsene.millidegrees;
+		sensor = &fw_cmpl->tsene.millidegrees;
 		break;
 	case FBNIC_SENSOR_VOLTAGE:
-		sensor = &fw_cmpl.tsene.millivolts;
+		sensor = &fw_cmpl->tsene.millivolts;
 		break;
 	default:
 		return -EINVAL;