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video: fbdev: uvesafb: Fixes an error handling path in 'uvesafb_probe()'

Message ID dd2a4806d3a570ab84947806f38a494454fd0245.1622994310.git.christophe.jaillet@wanadoo.fr (mailing list archive)
State New
Headers show
Series video: fbdev: uvesafb: Fixes an error handling path in 'uvesafb_probe()' | expand

Commit Message

Christophe JAILLET June 6, 2021, 3:46 p.m. UTC
If an error occurs after a successful 'uvesafb_init_mtrr()' call, it must
be undone by a corresponding 'arch_phys_wc_del()' call, as already done in
the remove function.

This has been added in the remove function in commit 63e28a7a5ffc
("uvesafb: Clean up MTRR code")

Fixes: 8bdb3a2d7df4 ("uvesafb: the driver core")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Unsure about the Fixes tag, maybe it is 63e28a7a5ffc
 drivers/video/fbdev/uvesafb.c | 1 +
 1 file changed, 1 insertion(+)
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diff --git a/drivers/video/fbdev/uvesafb.c b/drivers/video/fbdev/uvesafb.c
index 4df6772802d7..a7e606520dfc 100644
--- a/drivers/video/fbdev/uvesafb.c
+++ b/drivers/video/fbdev/uvesafb.c
@@ -1757,6 +1757,7 @@  static int uvesafb_probe(struct platform_device *dev)
+	arch_phys_wc_del(par->mtrr_handle);
 	release_mem_region(info->fix.smem_start, info->fix.smem_len);