/// PTR_ERR should be applied before its argument is reassigned, typically
/// to NULL
///
// Confidence: High
// Copyright: (C) 2012 Julia Lawall, INRIA/LIP6.  GPLv2.
// Copyright: (C) 2012 Gilles Muller, INRIA/LiP6.  GPLv2.
// URL: http://coccinelle.lip6.fr/
// Comments:
// Options: --no-includes --include-headers

virtual org
virtual report
virtual context

@r exists@
expression e,e1;
constant c;
position p1,p2;
@@

*e@p1 = c
... when != e = e1
    when != &e
    when != true IS_ERR(e)
*PTR_ERR@p2(e)

@script:python depends on org@
p1 << r.p1;
p2 << r.p2;
@@

cocci.print_main("PTR_ERR",p2)
cocci.print_secs("assignment",p1)

@script:python depends on report@
p1 << r.p1;
p2 << r.p2;
@@

msg = "ERROR: PTR_ERR applied after initialization to constant on line %s" % (p1[0].line)
coccilib.report.print_report(p2[0],msg)
href='/cgit.cgi/'>index</a> : <a href='/cgit.cgi/linux/net-next.git/'>net-next.git</a></td><td class='form'><form method='get'>
<input type='hidden' name='id' value='52e02f2797cf44e00da987a7736cc0f5192132f7'/><select name='h' onchange='this.form.submit();'>
<option value='emaclite-cleanup'>emaclite-cleanup</option>
<option value='master'>master</option>
<option value='nds-private-remove' selected='selected'>nds-private-remove</option>
<option value='packet-loop-back'>packet-loop-back</option>
<option value='packet-rx-pump-back'>packet-rx-pump-back</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/linux/net-next.git/?h=nds-private-remove'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?h=nds-private-remove&amp;id=52e02f2797cf44e00da987a7736cc0f5192132f7'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/drivers/usb/host/ohci.h?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/host/ohci.h?h=nds-private-remove&amp;id=52e02f2797cf44e00da987a7736cc0f5192132f7'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/host/ohci.h?h=nds-private-remove&amp;id=52e02f2797cf44e00da987a7736cc0f5192132f7'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/host/ohci.h?h=nds-private-remove&amp;id=52e02f2797cf44e00da987a7736cc0f5192132f7'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/drivers/usb/host/ohci.h'>
<input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='52e02f2797cf44e00da987a7736cc0f5192132f7'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=52e02f2797cf44e00da987a7736cc0f5192132f7'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers?h=nds-private-remove&amp;id=52e02f2797cf44e00da987a7736cc0f5192132f7'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb?h=nds-private-remove&amp;id=52e02f2797cf44e00da987a7736cc0f5192132f7'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/host?h=nds-private-remove&amp;id=52e02f2797cf44e00da987a7736cc0f5192132f7'>host</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/host/ohci.h?h=nds-private-remove&amp;id=52e02f2797cf44e00da987a7736cc0f5192132f7'>ohci.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='52e02f2797cf44e00da987a7736cc0f5192132f7'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-31 13:07:04 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-31 13:07:04 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/host/ohci.h?h=nds-private-remove&amp;id=52e02f2797cf44e00da987a7736cc0f5192132f7'>52e02f2797cf44e00da987a7736cc0f5192132f7</a> (<a href='/cgit.cgi/linux/net-next.git/patch/drivers/usb/host/ohci.h?id=52e02f2797cf44e00da987a7736cc0f5192132f7'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=52e02f2797cf44e00da987a7736cc0f5192132f7'>5edb83141db6c9544feb9a47c5e50ccd173d5e49</a> /<a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/host/ohci.h?h=nds-private-remove&amp;id=52e02f2797cf44e00da987a7736cc0f5192132f7'>drivers/usb/host/ohci.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/host/ohci.h?h=nds-private-remove&amp;id=c9194b99ae1825bdbafc701965442a47739ff0ad'>c9194b99ae1825bdbafc701965442a47739ff0ad</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/host/ohci.h?h=nds-private-remove&amp;id=52e02f2797cf44e00da987a7736cc0f5192132f7&amp;id2=c9194b99ae1825bdbafc701965442a47739ff0ad'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/host/ohci.h?h=nds-private-remove&amp;id=064c3db9c564cc5be514ac21fb4aa26cc33db746'>064c3db9c564cc5be514ac21fb4aa26cc33db746</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/host/ohci.h?h=nds-private-remove&amp;id=52e02f2797cf44e00da987a7736cc0f5192132f7&amp;id2=064c3db9c564cc5be514ac21fb4aa26cc33db746'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge branch 'for-4.10-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata</div><div class='commit-msg'>Pull libata fixes from Tejun Heo:
 "Three libata fixes: an error handling fix, blacklist addition for
  another fallout from upping the default max sectors, and fix for a
  sense data reporting bug which affects new harddrives which can report
  sense data"

* 'for-4.10-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
  ata: sata_mv:- Handle return value of devm_ioremap.
  libata: Fix ATA request sense
  libata: apply MAX_SEC_1024 to all CX1-JB*-HP devices
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=52e02f2797cf44e00da987a7736cc0f5192132f7'>Diffstat</a> (limited to 'drivers/usb/host/ohci.h')</div><table summary='diffstat' class='diffstat'>