Commit d9e38b8c authored Sep 24, 2015 by Veera Sundaram Sankaran

msm: mdss: clear fbmem_buf on ion_free



Even after ion_free, fbmem_buf is not cleared and contains
some random address. fbmem_buf is assumed to be mapped, when it
is not NULL, which leads to issues. Assign NULL to fbmem_buf, as soon
as ion_free is done.

Change-Id: I712f64a31c8a555f793ff2dd5fc1dea4771c8d0e
Signed-off-by: Veera Sundaram Sankaran <veeras@codeaurora.org>

parent 69ac846d

drivers/video/msm/mdss/mdss_fb.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1914,6 +1914,7 @@ void mdss_fb_free_fb_ion_memory(struct msm_fb_data_type *mfd)

		ion_free(mfd->fb_ion_client, mfd->fb_ion_handle);
		mfd->fb_ion_handle = NULL;
		mfd->fbmem_buf = NULL;
		}

		int mdss_fb_alloc_fb_ion_memory(struct msm_fb_data_type *mfd, size_t fb_size)