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| author | Richard Genoud <richard.genoud@gmail.com> | 2013-05-31 14:28:38 +0000 |
|---|---|---|
| committer | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2013-06-01 03:18:30 +0800 |
| commit | 65ac057bce426b4abdf42384c4e09e40a634df32 (patch) | |
| tree | ae30cae5f0489e12c8720d3c5e8a8e1e60346059 | |
| parent | 2436e8aa8abef2536dc3bfb554f8dcb3a8b07560 (diff) | |
| download | linux-65ac057bce426b4abdf42384c4e09e40a634df32.tar.bz2 | |
trivial: atmel_lcdfb: add missing error message
When a too small framebuffer is given, the atmel_lcdfb_check_var
silently fails.
Adding an error message will save some head scratching.
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
| -rw-r--r-- | drivers/video/atmel_lcdfb.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index 540909de6247..6e6491fb83b7 100644 --- a/drivers/video/atmel_lcdfb.c +++ b/drivers/video/atmel_lcdfb.c @@ -461,8 +461,11 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var, if (info->fix.smem_len) { unsigned int smem_len = (var->xres_virtual * var->yres_virtual * ((var->bits_per_pixel + 7) / 8)); - if (smem_len > info->fix.smem_len) + if (smem_len > info->fix.smem_len) { + dev_err(dev, "Frame buffer is too small (%u) for screen size (need at least %u)\n", + info->fix.smem_len, smem_len); return -EINVAL; + } } /* Saturate vertical and horizontal timings at maximum values */ |