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Commit 151b0903 authored by Joerg Roedel's avatar Joerg Roedel
Browse files

iommu/amd: Check for error states first in iommu_go_to_state() 



Check if we are in an error state already before calling
into state_next().

Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 1b1e942e

drivers/iommu/amd_iommu_init.c

+2 −2
Original line number Diff line number Diff line
@@ -2467,14 +2467,14 @@ static int __init state_next(void) 


static int __init iommu_go_to_state(enum iommu_init_state state)

{

	int ret = 0;

	int ret = -EINVAL;



	while (init_state != state) {

		ret = state_next();

		if (init_state == IOMMU_NOT_FOUND         ||

		    init_state == IOMMU_INIT_ERROR        ||

		    init_state == IOMMU_CMDLINE_DISABLED)

			break;

		ret = state_next();

	}



	return ret;