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serial8250-em: clk_get() IS_ERR() error handling fix
authorMagnus Damm <damm@opensource.se>
Wed, 9 May 2012 06:49:57 +0000 (15:49 +0900)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 9 May 2012 22:11:30 +0000 (15:11 -0700)
commit94e792ab66d696aad2e52c91bae4cfbeefe4c9f6
tree7305a6bc6e602c2edbb03dfd7c13168fbafa8145tree | snapshot
parent642180871bc91afebb6ccf40d1615a7dd33699a3commit | diff
serial8250-em: clk_get() IS_ERR() error handling fix

Update the 8250_em driver to correctly handle the case
where no clock is associated with the device.

The return value of clk_get() needs to be checked with
IS_ERR() to avoid NULL pointer referencing.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/8250/8250_em.c diff | blob | blame | history
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