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| author | Thomas Zimmermann <tzimmermann@suse.de> | 2024-04-19 10:28:58 +0200 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2024-05-02 11:33:14 +0200 |
| commit | dcaefc82395841fa15aa70a2c8841cda4f87125f (patch) | |
| tree | 5d2e740a21d5a4bc678e5205aa4772cf9b1f6d2a /drivers/video/fbdev/core?id=dcaefc82395841fa15aa70a2c8841cda4f87125f | |
| parent | abc79a0e0a3e8e900db76e0f7b1c34c6f6c4c282 (diff) | |
fbdev/deferred-io: Test smem_start for I/O memory
Test smem_start before looking up pages from its value. Return
NULL if it is unset. This will result in a SIGBUS signal.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240419083331.7761-6-tzimmermann@suse.de
Diffstat (limited to 'drivers/video/fbdev/core?id=dcaefc82395841fa15aa70a2c8841cda4f87125f')
0 files changed, 0 insertions, 0 deletions