From 909baf0092545e5c2082b045303e7a4b1d2a0522 Mon Sep 17 00:00:00 2001 From: Andres Salomon Date: Tue, 31 Mar 2009 15:25:29 -0700 Subject: amba-clcd: fix cmap memory leaks - fix cmap leak in removal path - fix cmap leak when register_framebuffer fails Signed-off-by: Andres Salomon Acked-by: Krzysztof Helt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/amba-clcd.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/video/amba-clcd.c b/drivers/video/amba-clcd.c index 4e046fed1380..61050ab14128 100644 --- a/drivers/video/amba-clcd.c +++ b/drivers/video/amba-clcd.c @@ -408,7 +408,9 @@ static int clcdfb_register(struct clcd_fb *fb) /* * Allocate colourmap. */ - fb_alloc_cmap(&fb->fb.cmap, 256, 0); + ret = fb_alloc_cmap(&fb->fb.cmap, 256, 0); + if (ret) + goto unmap; /* * Ensure interrupts are disabled. @@ -426,6 +428,8 @@ static int clcdfb_register(struct clcd_fb *fb) printk(KERN_ERR "CLCD: cannot register framebuffer (%d)\n", ret); + fb_dealloc_cmap(&fb->fb.cmap); + unmap: iounmap(fb->regs); free_clk: clk_put(fb->clk); @@ -485,6 +489,8 @@ static int clcdfb_remove(struct amba_device *dev) clcdfb_disable(fb); unregister_framebuffer(&fb->fb); + if (fb->fb.cmap.len) + fb_dealloc_cmap(&fb->fb.cmap); iounmap(fb->regs); clk_put(fb->clk); -- cgit v1.2.3-58-ga151