Hi Greg, Please pull fbdev fixes for v4.19-rc7 (please see the signed tag description for details).
Best regards, -- Bartlomiej Zolnierkiewicz Samsung R&D Institute Poland Samsung Electronics The following changes since commit 6bf4ca7fbc85d80446ac01c0d1d77db4d91a6d84: Linux 4.19-rc5 (2018-09-23 19:15:18 +0200) are available in the git repository at: https://github.com/bzolnier/linux.git tags/fbdev-v4.19-rc7 for you to fetch changes up to 7c968791f7753bf0e52a21729498509ea3dd751b: video/fbdev/stifb: Fix spelling mistake in fall-through annotation (2018-09-26 18:50:54 +0200) ---------------------------------------------------------------- fbdev fixes for v4.19-rc7: - fix OMAPFB_MEMORY_READ ioctl to not leak kernel memory in omapfb driver (Tomi Valkeinen) - add missing prepare/unprepare clock operations in pxa168fb driver (Lubomir Rintel) - add nobgrt option in efifb driver to disable ACPI BGRT logo restore (Hans de Goede) - fix spelling mistake in fall-through annotation in stifb driver (Gustavo A. R. Silva) - fix URL for uvesafb repository in the documentation (Adam Jackson) ---------------------------------------------------------------- Adam Jackson (1): uvesafb: Fix URLs in the documentation Bartlomiej Zolnierkiewicz (1): Merge tag 'v4.19-rc5' of https://git.kernel.org/.../torvalds/linux into fbdev-for-next Gustavo A. R. Silva (1): video/fbdev/stifb: Fix spelling mistake in fall-through annotation Hans de Goede (1): efifb: BGRT: Add nobgrt option Lubomir Rintel (1): pxa168fb: prepare the clock Tomi Valkeinen (1): fbdev/omapfb: fix omapfb_memory_read infoleak Documentation/fb/uvesafb.txt | 5 +++-- MAINTAINERS | 2 +- drivers/video/fbdev/efifb.c | 6 ++++++ drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c | 5 ++++- drivers/video/fbdev/pxa168fb.c | 6 +++--- drivers/video/fbdev/stifb.c | 2 +- 6 files changed, 18 insertions(+), 8 deletions(-) diff --git a/Documentation/fb/uvesafb.txt b/Documentation/fb/uvesafb.txt index f6362d8..aa92419 100644 --- a/Documentation/fb/uvesafb.txt +++ b/Documentation/fb/uvesafb.txt @@ -15,7 +15,8 @@ than x86. Check the v86d documentation for a list of currently supported arches. v86d source code can be downloaded from the following website: - http://dev.gentoo.org/~spock/projects/uvesafb + + https://github.com/mjanusz/v86d Please refer to the v86d documentation for detailed configuration and installation instructions. @@ -177,7 +178,7 @@ from the Video BIOS if you set pixclock to 0 in fb_var_screeninfo. -- Michal Januszewski <sp...@gentoo.org> - Last updated: 2009-03-30 + Last updated: 2017-10-10 Documentation of the uvesafb options is loosely based on vesafb.txt. diff --git a/MAINTAINERS b/MAINTAINERS index 02a3961..97e565f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -15389,7 +15389,7 @@ S: Maintained UVESAFB DRIVER M: Michal Januszewski <sp...@gentoo.org> L: linux-fb...@vger.kernel.org -W: http://dev.gentoo.org/~spock/projects/uvesafb/ +W: https://github.com/mjanusz/v86d S: Maintained F: Documentation/fb/uvesafb.txt F: drivers/video/fbdev/uvesafb.* diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c index 3946649..ba906876 100644 --- a/drivers/video/fbdev/efifb.c +++ b/drivers/video/fbdev/efifb.c @@ -42,6 +42,7 @@ struct bmp_dib_header { u32 colors_important; } __packed; +static bool use_bgrt = true; static bool request_mem_succeeded = false; static u64 mem_flags = EFI_MEMORY_WC | EFI_MEMORY_UC; @@ -160,6 +161,9 @@ static void efifb_show_boot_graphics(struct fb_info *info) void *bgrt_image = NULL; u8 *dst = info->screen_base; + if (!use_bgrt) + return; + if (!bgrt_tab.image_address) { pr_info("efifb: No BGRT, not showing boot graphics\n"); return; @@ -290,6 +294,8 @@ static int efifb_setup(char *options) screen_info.lfb_width = simple_strtoul(this_opt+6, NULL, 0); else if (!strcmp(this_opt, "nowc")) mem_flags &= ~EFI_MEMORY_WC; + else if (!strcmp(this_opt, "nobgrt")) + use_bgrt = false; } } diff --git a/drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c b/drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c index ef69273..a3edb20 100644 --- a/drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c +++ b/drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c @@ -496,6 +496,9 @@ static int omapfb_memory_read(struct fb_info *fbi, if (!access_ok(VERIFY_WRITE, mr->buffer, mr->buffer_size)) return -EFAULT; + if (mr->w > 4096 || mr->h > 4096) + return -EINVAL; + if (mr->w * mr->h * 3 > mr->buffer_size) return -EINVAL; @@ -509,7 +512,7 @@ static int omapfb_memory_read(struct fb_info *fbi, mr->x, mr->y, mr->w, mr->h); if (r > 0) { - if (copy_to_user(mr->buffer, buf, mr->buffer_size)) + if (copy_to_user(mr->buffer, buf, r)) r = -EFAULT; } diff --git a/drivers/video/fbdev/pxa168fb.c b/drivers/video/fbdev/pxa168fb.c index def3a50..d059d04 100644 --- a/drivers/video/fbdev/pxa168fb.c +++ b/drivers/video/fbdev/pxa168fb.c @@ -712,7 +712,7 @@ static int pxa168fb_probe(struct platform_device *pdev) /* * enable controller clock */ - clk_enable(fbi->clk); + clk_prepare_enable(fbi->clk); pxa168fb_set_par(info); @@ -767,7 +767,7 @@ static int pxa168fb_probe(struct platform_device *pdev) failed_free_cmap: fb_dealloc_cmap(&info->cmap); failed_free_clk: - clk_disable(fbi->clk); + clk_disable_unprepare(fbi->clk); failed_free_fbmem: dma_free_coherent(fbi->dev, info->fix.smem_len, info->screen_base, fbi->fb_start_dma); @@ -807,7 +807,7 @@ static int pxa168fb_remove(struct platform_device *pdev) dma_free_wc(fbi->dev, PAGE_ALIGN(info->fix.smem_len), info->screen_base, info->fix.smem_start); - clk_disable(fbi->clk); + clk_disable_unprepare(fbi->clk); framebuffer_release(info); diff --git a/drivers/video/fbdev/stifb.c b/drivers/video/fbdev/stifb.c index 045e8af..9e88e3f 100644 --- a/drivers/video/fbdev/stifb.c +++ b/drivers/video/fbdev/stifb.c @@ -1157,7 +1157,7 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref) dev_name); goto out_err0; } - /* fall though */ + /* fall through */ case S9000_ID_ARTIST: case S9000_ID_HCRX: case S9000_ID_TIMBER:
