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i2c: sh7760: add IRQ check
authorSergey Shtylyov <s.shtylyov@omprussia.ru>
Sat, 10 Apr 2021 20:25:10 +0000 (23:25 +0300)
committerWolfram Sang <wsa@kernel.org>
Wed, 14 Apr 2021 08:21:42 +0000 (10:21 +0200)
commite5b2e3e742015dd2aa6bc7bcef2cb59b2de1221c
treee80531468138a538f075f5a90d0587d146e04f26tree
parent147178cf03a6dcb337e703d4dacd008683022a58commit | diff
i2c: sh7760: add IRQ check

The driver neglects to check the result of platform_get_irq()'s call and
blithely passes the negative error codes to devm_request_irq() (which
takes *unsigned* IRQ #), causing it to fail with -EINVAL, overriding
an original error code.  Stop calling devm_request_irq() with invalid
IRQ #s.

Fixes: a26c20b1fa6d ("i2c: Renesas SH7760 I2C master driver")
Signed-off-by: Sergey Shtylyov <s.shtylyov@omprussia.ru>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
drivers/i2c/busses/i2c-sh7760.c diff | blob | history
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