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drm/qxl: Complete exception handling in qxl_device_init() 

A coccicheck run provided information like the following.

drivers/gpu/drm/qxl/qxl_kms.c:295:1-7: ERROR: missing iounmap;
ioremap on line 178 and execution via conditional on line 185

Generated by: scripts/coccinelle/free/iounmap.cocci

A jump target was specified in an if branch. The corresponding function
call did not release the desired system resource then.
Thus use the label “rom_unmap” instead to fix the exception handling
for this function implementation.

Fixes: 5043348a49 ("drm: qxl: Fix error handling at qxl_device_init")
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Link: http://patchwork.freedesktop.org/patch/msgid/5e5ef9c4-4d85-3c93-cf28-42cfcb5b0649@web.de
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Markus Elfring 2019-11-07 18:05:08 +01:00 committed by Gerd Hoffmann
parent 11b7e986da
commit dbe3ad61dc
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/qxl/qxl_kms.c
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@ -184,7 +184,7 @@ int qxl_device_init(struct qxl_device *qdev,
if (!qxl_check_device(qdev)) {
r = -ENODEV;
goto surface_mapping_free;
goto rom_unmap;
}
r = qxl_bo_init(qdev);