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lseek(fd, n, SEEK_END) does *not* go to eof - n

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When you copy some code, you are supposed to read it.  If nothing else,
there's a chance to spot and fix an obvious bug instead of sharing it...

X-Song: "I Got It From Agnes", by Tom Lehrer
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
[ Tom Lehrer? You're dating yourself, Al ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Al Viro
2013-06-16 18:06:06 +01:00
committed by Linus Torvalds
parent 7d13205581
commit 8177a9d79c
4 changed files with 4 additions and 4 deletions
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2
drivers/scsi/fnic/fnic_debugfs.c
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@@ -174,7 +174,7 @@ static loff_t fnic_trace_debugfs_lseek(struct file *file,
pos = file->f_pos + offset;
break;
case 2:
pos = fnic_dbg_prt->buffer_len - offset;
pos = fnic_dbg_prt->buffer_len + offset;
}
return (pos < 0 || pos > fnic_dbg_prt->buffer_len) ?
-EINVAL : (file->f_pos = pos);