lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20260108-clk-divider-round-rate-v1-11-535a3ed73bf3@redhat.com>
Date: Thu, 08 Jan 2026 16:16:29 -0500
From: Brian Masney <bmasney@...hat.com>
To: Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>
Cc: linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Brian Masney <bmasney@...hat.com>, 
 Taichi Sugaya <sugaya.taichi@...ionext.com>, 
 Takao Orito <orito.takao@...ionext.com>, 
 linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 11/27] clk: milbeaut: convert from divider_round_rate() to
 divider_determine_rate()

The divider_round_rate() function is now deprecated, so let's migrate
to divider_determine_rate() instead so that this deprecated API can be
removed.

Note that when the main function itself was migrated to use
determine_rate, this was mistakenly converted to:

    req->rate = divider_round_rate(...)

This is invalid in the case when an error occurs since it can set the
rate to a negative value.

Fixes: 7b45988fcf78 ("clk: milbeaut: convert from round_rate() to determine_rate()")
Signed-off-by: Brian Masney <bmasney@...hat.com>

---
To: Taichi Sugaya <sugaya.taichi@...ionext.com>
To: Takao Orito <orito.takao@...ionext.com>
Cc: linux-arm-kernel@...ts.infradead.org
---
 drivers/clk/clk-milbeaut.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/clk/clk-milbeaut.c b/drivers/clk/clk-milbeaut.c
index 4e3790b7fc9064484c20a068d0315b8fc8241290..45389db652e04e3c30c2a64da63b047b7922b8de 100644
--- a/drivers/clk/clk-milbeaut.c
+++ b/drivers/clk/clk-milbeaut.c
@@ -403,10 +403,7 @@ static int m10v_clk_divider_determine_rate(struct clk_hw *hw,
 						 val);
 	}
 
-	req->rate = divider_round_rate(hw, req->rate, &req->best_parent_rate,
-				       divider->table, divider->width, divider->flags);
-
-	return 0;
+	return divider_determine_rate(hw, req, divider->table, divider->width, divider->flags);
 }
 
 static int m10v_clk_divider_set_rate(struct clk_hw *hw, unsigned long rate,

-- 
2.52.0


Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ