watchdog: rzv2h: Avoid division by zero

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clk_get_rate() could return 0.  Avoid a division by zero panic.

Fixes: f6febd0a30 ("watchdog: Add Watchdog Timer driver for RZ/V2H(P)")
Cc: stable@vger.kernel.org
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://patch.msgid.link/20260913064851.8239-4-tzungbi@kernel.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

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Tzung-Bi Shih 2026-09-13 14:48:51 +08:00 • committed by Guenter Roeck

parent 5af7d2cbd2

commit 6274281c41

1 changed files with 6 additions and 1 deletions

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drivers/watchdog/rzv2h_wdt.c

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