drm/xen-front: fix xen_drm_front_shbuf_alloc() error handling

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The xen_drm_front_shbuf_alloc() function was returning a mix of error
pointers and NULL and the the caller wasn't checking correctly.  I've
changed it to always return error pointer consistently.

Fixes: c575b7eeb8 ("drm/xen-front: Add support for Xen PV display frontend")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180508092739.GB661@mwanda

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Dan Carpenter 2018-05-08 12:27:39 +03:00 • committed by Oleksandr Andrushchenko

parent e30ca4bcf0

commit 18f20bc530

2 changed files with 3 additions and 3 deletions

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4

drivers/gpu/drm/xen/xen_drm_front.c

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2

drivers/gpu/drm/xen/xen_drm_front_shbuf.c

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