diff options
| author | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-06-10 13:47:26 -0500 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-06-10 13:47:26 -0500 |
| commit | f0cd91a68acdc9b49d7f6738b514a426da627649 (patch) | |
| tree | 8ad73564015794197583b094217ae0a71e71e753 /drivers/video/fbmem.c | |
| parent | 60eef25701d25e99c991dd0f4a9f3832a0c3ad3e (diff) | |
| parent | 128e6ced247cda88f96fa9f2e4ba8b2c4a681560 (diff) | |
| download | kernel_samsung_smdk4412-f0cd91a68acdc9b49d7f6738b514a426da627649.zip kernel_samsung_smdk4412-f0cd91a68acdc9b49d7f6738b514a426da627649.tar.gz kernel_samsung_smdk4412-f0cd91a68acdc9b49d7f6738b514a426da627649.tar.bz2 | |
Merge ../linux-2.6
Diffstat (limited to 'drivers/video/fbmem.c')
| -rw-r--r-- | drivers/video/fbmem.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index 8d8eadb..372aa17 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -674,13 +674,19 @@ fb_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) total_size = info->fix.smem_len; if (p > total_size) - return 0; + return -EFBIG; - if (count >= total_size) + if (count > total_size) { + err = -EFBIG; count = total_size; + } + + if (count + p > total_size) { + if (!err) + err = -ENOSPC; - if (count + p > total_size) count = total_size - p; + } buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL); @@ -722,7 +728,7 @@ fb_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) kfree(buffer); - return (err) ? err : cnt; + return (cnt) ? cnt : err; } #ifdef CONFIG_KMOD |