spi/omap2_mcspi: fix NULL pointer dereference

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Check spi->controller_state before dereferencing.

Shows up NULL here when using spi_alloc_device()/spi_add_device()
and spi_add_device() fails before spi_setup(). Calling spi_dev_put()
on the leftover spi_device results in the error.

Signed-off-by: Scott Ellis <scott@jumpnowtek.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

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Scott Ellis 2010-03-10 14:22:45 -07:00 • committed by Grant Likely

parent 07081fd858

commit 5e7749436d

1 changed files with 6 additions and 4 deletions

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drivers/spi/omap2_mcspi.c

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