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[112.120.42.25]) by smtp.gmail.com with ESMTPSA id gx20sm2459230pjb.1.2020.10.27.09.41.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Oct 2020 09:41:54 -0700 (PDT) From: Peilin Ye To: Daniel Vetter , Greg Kroah-Hartman , "James E . J . Bottomley" , Helge Deller Cc: Bartlomiej Zolnierkiewicz , linux-parisc@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, Peilin Ye Subject: [PATCH 5/5] parisc/sticore: Avoid hard-coding built-in font charcount Date: Tue, 27 Oct 2020 12:41:02 -0400 Message-Id: X-Mailer: git-send-email 2.25.1 In-Reply-To: References: <54f7d42e07eca2a2f13669575a9de88023ebc1ac.1603788512.git.yepeilin.cs@gmail.com> <6c28279a10dbe7a7e5ac3e3a8dd7c67f8d63a9f2.1603788512.git.yepeilin.cs@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org sti_select_fbfont() and sti_cook_fonts() are hard-coding the number of characters of our built-in fonts as 256. Recently, we included that information in our kernel font descriptor `struct font_desc`, so use `fbfont->charcount` instead of hard-coded values. This patch depends on patch "Fonts: Add charcount field to font_desc". Signed-off-by: Peilin Ye --- $ # Build-tested (Ubuntu 20.04) $ sudo apt-get install binutils-hppa64-linux-gnu gcc-7-hppa64-linux-gnu $ cp arch/parisc/configs/generic-64bit_defconfig .config $ make -j`nproc` ARCH=parisc CROSS_COMPILE=hppa64-linux-gnu- all drivers/video/console/sticore.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/video/console/sticore.c b/drivers/video/console/sticore.c index d1bb5915082b..f869b723494f 100644 --- a/drivers/video/console/sticore.c +++ b/drivers/video/console/sticore.c @@ -506,7 +506,7 @@ sti_select_fbfont(struct sti_cooked_rom *cooked_rom, const char *fbfont_name) fbfont->width, fbfont->height, fbfont->name); bpc = ((fbfont->width+7)/8) * fbfont->height; - size = bpc * 256; + size = bpc * fbfont->charcount; size += sizeof(struct sti_rom_font); nf = kzalloc(size, STI_LOWMEM); @@ -514,7 +514,7 @@ sti_select_fbfont(struct sti_cooked_rom *cooked_rom, const char *fbfont_name) return NULL; nf->first_char = 0; - nf->last_char = 255; + nf->last_char = fbfont->charcount - 1; nf->width = fbfont->width; nf->height = fbfont->height; nf->font_type = STI_FONT_HPROMAN8; @@ -525,7 +525,7 @@ sti_select_fbfont(struct sti_cooked_rom *cooked_rom, const char *fbfont_name) dest = nf; dest += sizeof(struct sti_rom_font); - memcpy(dest, fbfont->data, bpc*256); + memcpy(dest, fbfont->data, bpc * fbfont->charcount); cooked_font = kzalloc(sizeof(*cooked_font), GFP_KERNEL); if (!cooked_font) { @@ -660,7 +660,7 @@ static int sti_cook_fonts(struct sti_cooked_rom *cooked_rom, void sti_font_convert_bytemode(struct sti_struct *sti, struct sti_cooked_font *f) { unsigned char *n, *p, *q; - int size = f->raw->bytes_per_char * 256 + sizeof(struct sti_rom_font); + int size = f->raw->bytes_per_char * (f->raw->last_char + 1) + sizeof(struct sti_rom_font); struct sti_rom_font *old_font; if (sti->wordmode) -- 2.25.1