Re: [PATCH 3/3] staging: rtl8192e: remove dead code

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Am 26.05.24 um 16:31 schrieb Nam Cao:
On Sun, May 26, 2024 at 01:19:28PM +0200, Michael Straube wrote:
Remove two else-if arms that do nothing.

Signed-off-by: Michael Straube <straube.linux@xxxxxxxxx>
---
  drivers/staging/rtl8192e/rtl8192e/rtl_dm.c | 6 ------
  1 file changed, 6 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
index 5392d2daf870..4e03eb100175 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
@@ -1370,9 +1370,6 @@ static void _rtl92e_dm_rx_path_sel_byrssi(struct net_device *dev)
  					tmp_sec_rssi = cur_rf_rssi;
  					sec_rssi_index = i;
  				}
-			} else if ((cur_rf_rssi < tmp_sec_rssi) &&
-					(cur_rf_rssi > tmp_min_rssi)) {
-				;
  			} else if (cur_rf_rssi == tmp_min_rssi) {
  				if (tmp_sec_rssi == tmp_min_rssi) {
  					tmp_min_rssi = cur_rf_rssi;
@@ -1426,9 +1423,6 @@ static void _rtl92e_dm_rx_path_sel_byrssi(struct net_device *dev)
  						tmp_cck_sec_pwdb = cur_cck_pwdb;
  						cck_rx_ver2_sec_index = i;
  					}
-				} else if ((cur_cck_pwdb < tmp_cck_sec_pwdb) &&
-						(cur_cck_pwdb > tmp_cck_min_pwdb)) {
-					;
  				} else if (cur_cck_pwdb == tmp_cck_min_pwdb) {
  					if (tmp_cck_sec_pwdb == tmp_cck_min_pwdb)
  						tmp_cck_min_pwdb = cur_cck_pwdb;

I would be careful with these changes. These else-if do prevent the
execution of the other else-if, so the code do not behave the same anymore.

The only case this patch doesn't change anything functionally is when the
condition of the removed if-else is mutually exclusive with the conditions
of the following if-else. Are you sure this is the case?

Ah yes, I had not thought about that. Thanks for pointing out.
I'll have a closer look and resend the series. Either without this patch
or, if it's safe to remove, state it in the commit message.

Thanks,
Michael




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