| Server IP : 127.0.1.1 / Your IP : 216.73.216.152 Web Server : Apache/2.4.52 (Ubuntu) System : Linux bahcrestlinepropertiesllc 5.15.0-113-generic #123-Ubuntu SMP Mon Jun 10 08:16:17 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /proc/self/root/usr/lib/modules/5.15.0-161-generic/build/scripts/coccinelle/tests/ |
Upload File : |
// SPDX-License-Identifier: GPL-2.0-only
/// PTR_ERR should access the value just tested by IS_ERR
//# There can be false positives in the patch case, where it is the call to
//# IS_ERR that is wrong.
///
// Confidence: High
// Copyright: (C) 2012, 2015 Julia Lawall, INRIA.
// Copyright: (C) 2012, 2015 Gilles Muller, INRIA.
// URL: http://coccinelle.lip6.fr/
// Options: --no-includes --include-headers
virtual patch
virtual context
virtual org
virtual report
@ok1 exists@
expression x,e;
position p;
@@
if (IS_ERR(x=e) || ...) {
<...
PTR_ERR@p(x)
...>
}
@ok2 exists@
expression x,e1,e2;
position p;
@@
if (IS_ERR(x) || ...) {
<...
(
PTR_ERR@p(\(e1 ? e2 : x\|e1 ? x : e2\))
|
PTR_ERR@p(x)
)
...>
}
@r1 depends on patch && !context && !org && !report exists@
expression x,y;
position p != {ok1.p,ok2.p};
@@
if (IS_ERR(x) || ...) {
... when any
when != IS_ERR(...)
(
PTR_ERR(x)
|
PTR_ERR@p(
- y
+ x
)
)
... when any
}
// ----------------------------------------------------------------------------
@r1_context depends on !patch && (context || org || report) exists@
position p != {ok1.p,ok2.p};
expression x, y;
position j0, j1;
@@
if (IS_ERR@j0(x) || ...) {
... when any
when != IS_ERR(...)
(
PTR_ERR(x)
|
PTR_ERR@j1@p(
y
)
)
... when any
}
@r1_disj depends on !patch && (context || org || report) exists@
position p != {ok1.p,ok2.p};
expression x, y;
position r1_context.j0, r1_context.j1;
@@
* if (IS_ERR@j0(x) || ...) {
... when any
when != IS_ERR(...)
* PTR_ERR@j1@p(
y
)
... when any
}
// ----------------------------------------------------------------------------
@script:python r1_org depends on org@
j0 << r1_context.j0;
j1 << r1_context.j1;
@@
msg = "inconsistent IS_ERR and PTR_ERR"
coccilib.org.print_todo(j0[0], msg)
coccilib.org.print_link(j1[0], "")
// ----------------------------------------------------------------------------
@script:python r1_report depends on report@
j0 << r1_context.j0;
j1 << r1_context.j1;
@@
msg = "inconsistent IS_ERR and PTR_ERR on line %s." % (j1[0].line)
coccilib.report.print_report(j0[0], msg)