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Server : Apache/2.4.18 (Ubuntu) System : Linux canvaswebdesign 3.13.0-71-generic #114-Ubuntu SMP Tue Dec 1 02:34:22 UTC 2015 x86_64 User : oppastar ( 1041) PHP Version : 7.0.33-0ubuntu0.16.04.15 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_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, Directory : /usr/src/linux-headers-4.4.0-47/scripts/coccinelle/api/ |
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/// /// Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR /// // Confidence: High // Copyright: (C) 2012 Julia Lawall, INRIA/LIP6. GPLv2. // Copyright: (C) 2012 Gilles Muller, INRIA/LiP6. GPLv2. // URL: http://coccinelle.lip6.fr/ // Options: --no-includes --include-headers // // Keywords: ERR_PTR, PTR_ERR, PTR_ERR_OR_ZERO // Version min: 2.6.39 // virtual context virtual patch virtual org virtual report @depends on patch@ expression ptr; @@ - if (IS_ERR(ptr)) return PTR_ERR(ptr); else return 0; + return PTR_ERR_OR_ZERO(ptr); @depends on patch@ expression ptr; @@ - if (IS_ERR(ptr)) return PTR_ERR(ptr); return 0; + return PTR_ERR_OR_ZERO(ptr); @depends on patch@ expression ptr; @@ - (IS_ERR(ptr) ? PTR_ERR(ptr) : 0) + PTR_ERR_OR_ZERO(ptr) @r1 depends on !patch@ expression ptr; position p1; @@ * if@p1 (IS_ERR(ptr)) return PTR_ERR(ptr); else return 0; @r2 depends on !patch@ expression ptr; position p2; @@ * if@p2 (IS_ERR(ptr)) return PTR_ERR(ptr); return 0; @r3 depends on !patch@ expression ptr; position p3; @@ * IS_ERR@p3(ptr) ? PTR_ERR(ptr) : 0 @script:python depends on org@ p << r1.p1; @@ coccilib.org.print_todo(p[0], "WARNING: PTR_ERR_OR_ZERO can be used") @script:python depends on org@ p << r2.p2; @@ coccilib.org.print_todo(p[0], "WARNING: PTR_ERR_OR_ZERO can be used") @script:python depends on org@ p << r3.p3; @@ coccilib.org.print_todo(p[0], "WARNING: PTR_ERR_OR_ZERO can be used") @script:python depends on report@ p << r1.p1; @@ coccilib.report.print_report(p[0], "WARNING: PTR_ERR_OR_ZERO can be used") @script:python depends on report@ p << r2.p2; @@ coccilib.report.print_report(p[0], "WARNING: PTR_ERR_OR_ZERO can be used") @script:python depends on report@ p << r3.p3; @@ coccilib.report.print_report(p[0], "WARNING: PTR_ERR_OR_ZERO can be used")