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| author | Al Viro <viro@ZenIV.linux.org.uk> | 2013-06-16 18:06:06 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-06-16 08:10:53 -1000 |
| commit | 8177a9d79c0e942dcac3312f15585d0344d505a5 (patch) | |
| tree | cef7a714336504ee41924e984fe3b0e721af23d1 /drivers/scsi | |
| parent | 7d132055814ef17a6c7b69f342244c410a5e000f (diff) | |
| download | linux-3.10-8177a9d79c0e942dcac3312f15585d0344d505a5.tar.gz linux-3.10-8177a9d79c0e942dcac3312f15585d0344d505a5.tar.bz2 linux-3.10-8177a9d79c0e942dcac3312f15585d0344d505a5.zip | |
lseek(fd, n, SEEK_END) does *not* go to eof - n
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>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/bfa/bfad_debugfs.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/fnic/fnic_debugfs.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_debugfs.c | 2 |
3 files changed, 3 insertions, 3 deletions
diff --git a/drivers/scsi/bfa/bfad_debugfs.c b/drivers/scsi/bfa/bfad_debugfs.c index 439c012be76..b63d534192e 100644 --- a/drivers/scsi/bfa/bfad_debugfs.c +++ b/drivers/scsi/bfa/bfad_debugfs.c @@ -186,7 +186,7 @@ bfad_debugfs_lseek(struct file *file, loff_t offset, int orig) file->f_pos += offset; break; case 2: - file->f_pos = debug->buffer_len - offset; + file->f_pos = debug->buffer_len + offset; break; default: return -EINVAL; diff --git a/drivers/scsi/fnic/fnic_debugfs.c b/drivers/scsi/fnic/fnic_debugfs.c index adc1f7f471f..85e1ffd0e5c 100644 --- a/drivers/scsi/fnic/fnic_debugfs.c +++ b/drivers/scsi/fnic/fnic_debugfs.c @@ -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); diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index f63f5ff7f27..f525ecb7a9c 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -1178,7 +1178,7 @@ lpfc_debugfs_lseek(struct file *file, loff_t off, int whence) pos = file->f_pos + off; break; case 2: - pos = debug->len - off; + pos = debug->len + off; } return (pos < 0 || pos > debug->len) ? -EINVAL : (file->f_pos = pos); } |