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| author | Jonathan Corbet <corbet@lwn.net> | 2009-02-01 14:52:56 -0700 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2009-03-16 08:34:35 -0600 |
| commit | 60aa49243d09afc873f082567d2e3c16634ced84 (patch) | |
| tree | bb7c8d9668b35a3aa4e90d0a62500ac9d3e67f7f /drivers/scsi/sg.c | |
| parent | 76398425bb06b07cc3a3b1ce169c67dc9d6874ed (diff) | |
| download | linux-60aa49243d09afc873f082567d2e3c16634ced84.tar.gz linux-60aa49243d09afc873f082567d2e3c16634ced84.tar.bz2 linux-60aa49243d09afc873f082567d2e3c16634ced84.zip | |
Rationalize fasync return values
Most fasync implementations do something like:
return fasync_helper(...);
But fasync_helper() will return a positive value at times - a feature used
in at least one place. Thus, a number of other drivers do:
err = fasync_helper(...);
if (err < 0)
return err;
return 0;
In the interests of consistency and more concise code, it makes sense to
map positive return values onto zero where ->fasync() is called.
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'drivers/scsi/sg.c')
| -rw-r--r-- | drivers/scsi/sg.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 516925d8b570..b4ef2f84ea32 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -1154,7 +1154,6 @@ sg_poll(struct file *filp, poll_table * wait) static int sg_fasync(int fd, struct file *filp, int mode) { - int retval; Sg_device *sdp; Sg_fd *sfp; @@ -1163,8 +1162,7 @@ sg_fasync(int fd, struct file *filp, int mode) SCSI_LOG_TIMEOUT(3, printk("sg_fasync: %s, mode=%d\n", sdp->disk->disk_name, mode)); - retval = fasync_helper(fd, filp, mode, &sfp->async_qp); - return (retval < 0) ? retval : 0; + return fasync_helper(fd, filp, mode, &sfp->async_qp); } static int |