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Commit 7145cf12 authored by Alexandre Rusev's avatar Alexandre Rusev Committed by Kumar Gala
Browse files

powerpc/fsl-lbc: Fix for fsl_upm 



If Freescale LBC driver fails to initialise itself from device tree, then
internal structure is freed only but not NULL-fied.  As result functions
fsl_lbc_find() after checking the structure is not NULL are trying to
access device registers.

Signed-off-by: default avatarAlexandre Rusev <arusev@dev.rtsoft.ru>
Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
parent 86f9a433

arch/powerpc/sysdev/fsl_lbc.c

+1 −0
Original line number Diff line number Diff line
@@ -328,6 +328,7 @@ static int __devinit fsl_lbc_ctrl_probe(struct platform_device *dev) 
err:

	iounmap(fsl_lbc_ctrl_dev->regs);

	kfree(fsl_lbc_ctrl_dev);

	fsl_lbc_ctrl_dev = NULL;

	return ret;

}