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staging: fsl-mc: return -EINVAL for all fsl_mc_portal_allocate() failures 

There are some error paths that allow for a NULL new_mc_io and err = 0
return code. Return -EINVAL instead.

Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
Acked-by: German Rivera <german.rivera@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Horia Geantă 2016-04-11 11:56:16 -05:00 committed by Greg Kroah-Hartman
parent 01f9330846
commit 633440505f
1 changed files with 1 additions and 0 deletions
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1
drivers/staging/fsl-mc/bus/mc-allocator.c
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@ -293,6 +293,7 @@ int __must_check fsl_mc_portal_allocate(struct fsl_mc_device *mc_dev,
if (error < 0) if (error < 0)
return error; return error;
error = -EINVAL;
dpmcp_dev = resource->data; dpmcp_dev = resource->data;
if (WARN_ON(!dpmcp_dev)) if (WARN_ON(!dpmcp_dev))
goto error_cleanup_resource; goto error_cleanup_resource;