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authorJosef Bacik <josef@redhat.com>2011-07-18 19:21:39 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2011-07-21 02:47:58 +0200
commit22735068d53c7115e384bc88dea95b17e76a6839 (patch)
treec531b0ca2ccf472c8abfede626535fcf07357624 /drivers/macintosh
parentfs: handle SEEK_HOLE/SEEK_DATA properly in all fs's that define their own llseek (diff)
downloadlinux-22735068d53c7115e384bc88dea95b17e76a6839.tar.xz
linux-22735068d53c7115e384bc88dea95b17e76a6839.zip
drivers: fix up various ->llseek() implementations
Fix up a few ->llseek() implementations that won't deal with SEEK_HOLE/SEEK_DATA properly. Make them future proof so that if we ever add new options they will return -EINVAL. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/macintosh')
-rw-r--r--drivers/macintosh/nvram.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/macintosh/nvram.c b/drivers/macintosh/nvram.c
index a271c8218d82..f0e03e7937e3 100644
--- a/drivers/macintosh/nvram.c
+++ b/drivers/macintosh/nvram.c
@@ -21,12 +21,16 @@
static loff_t nvram_llseek(struct file *file, loff_t offset, int origin)
{
switch (origin) {
+ case 0:
+ break;
case 1:
offset += file->f_pos;
break;
case 2:
offset += NVRAM_SIZE;
break;
+ default:
+ offset = -1;
}
if (offset < 0)
return -EINVAL;