sm501fb: check fb_alloc_cmap return value and handle failure properly
Signed-off-by: Andres Salomon <dilinger@debian.org>
Acked-by: Krzysztof Helt <krzysztof.h1@poczta.fm>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/video/sm501fb.c b/drivers/video/sm501fb.c
index dcd9879..eb5d73a 100644
--- a/drivers/video/sm501fb.c
+++ b/drivers/video/sm501fb.c
@@ -1525,7 +1525,10 @@
}
/* initialise and set the palette */
- fb_alloc_cmap(&fb->cmap, NR_PALETTE, 0);
+ if (fb_alloc_cmap(&fb->cmap, NR_PALETTE, 0)) {
+ dev_err(info->dev, "failed to allocate cmap memory\n");
+ return -ENOMEM;
+ }
fb_set_cmap(&fb->cmap, fb);
ret = (fb->fbops->fb_check_var)(&fb->var, fb);