[PATCH] fadvise: return ESPIPE on FIFO/pipe

The patch makes posix_fadvise return ESPIPE on FIFO/pipe in order to be fully POSIX-compliant. Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
kishon · Jan 9, 2006 · 87ba81d · 87ba81d
1 parent 99aef42
commit 87ba81d
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/mm/fadvise.c b/mm/fadvise.c
@@ -37,6 +37,11 @@ asmlinkage long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice)
 	if (!file)
 		return -EBADF;
 
+	if (S_ISFIFO(file->f_dentry->d_inode->i_mode)) {
+		ret = -ESPIPE;
+		goto out;
+	}
+
 	mapping = file->f_mapping;
 	if (!mapping || len < 0) {
 		ret = -EINVAL;