staging:iio:ad799x fix error_free_irq which was freeing an irq that may not have...
authorHartmut Knaack <knaack.h@gmx.de>
Wed, 1 Jan 2014 23:04:00 +0000 (23:04 +0000)
committerBen Hutchings <ben@decadent.org.uk>
Tue, 1 Apr 2014 23:58:42 +0000 (00:58 +0100)
commit96540b62efda4daf7654678e00361fc8ed3a4473
tree3bc102e9cd16998295bcf8206bf8eb4aa43e681f
parentb7e031b8d7fdec31c0c50b7f972524d11d5905d4
staging:iio:ad799x fix error_free_irq which was freeing an irq that may not have been requested

commit 38408d056188be29a6c4e17f3703c796551bb330 upstream.

Only free an IRQ in error_free_irq, if it has been requested previously.

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
drivers/staging/iio/adc/ad799x_core.c