/// Use kstrdup rather than duplicating its implementation /// // Confidence: High // Copyright: (C) 2010-2012 Nicolas Palix. GPLv2. // Copyright: (C) 2010-2012 Julia Lawall, INRIA/LIP6. GPLv2. // Copyright: (C) 2010-2012 Gilles Muller, INRIA/LiP6. GPLv2. // URL: http://coccinelle.lip6.fr/ // Comments: // Options: --no-includes --include-headers virtual patch virtual context virtual org virtual report @depends on patch@ expression from,to; expression flag,E1,E2; statement S; @@ - to = kmalloc(strlen(from) + 1,flag); + to = kstrdup(from, flag); ... when != \(from = E1 \| to = E1 \) if (to==NULL || ...) S ... when != \(from = E2 \| to = E2 \) - strcpy(to, from); @depends on patch@ expression x,from,to; expression flag,E1,E2,E3; statement S; @@ - x = strlen(from) + 1; ... when != \( x = E1 \| from = E1 \) - to = \(kmalloc\|kzalloc\)(x,flag); + to = kstrdup(from, flag); ... when != \(x = E2 \| from = E2 \| to = E2 \) if (to==NULL || ...) S ... when != \(x = E3 \| from = E3 \| to = E3 \) - memcpy(to, from, x); // --------------------------------------------------------------------- @r1 depends on !patch exists@ expression from,to; expression flag,E1,E2; statement S; position p1,p2; @@ * to = kmalloc@p1(strlen(from) + 1,flag); ... when != \(from = E1 \| to = E1 \) if (to==NULL || ...) S ... when != \(from = E2 \| to = E2 \) * strcpy@p2(to, from); @r2 depends on !patch exists@ expression x,from,to; expression flag,E1,E2,E3; statement S; position p1,p2; @@ * x = strlen(from) + 1; ... when != \( x = E1 \| from = E1 \) * to = \(kmalloc@p1\|kzalloc@p2\)(x,flag); ... when != \(x = E2 \| from = E2 \| to = E2 \) if (to==NULL || ...) S ... when != \(x = E3 \| from = E3 \| to = E3 \) * memcpy@p2(to, from, x); @script:python depends on org@ p1 << r1.p1; p2 << r1.p2; @@ cocci.print_main("WARNING opportunity for kstrdep",p1) cocci.print_secs("strcpy",p2) @script:python depends on org@ p1 << r2.p1; p2 << r2.p2; @@ cocci.print_main("WARNING opportunity for kstrdep",p1) cocci.print_secs("memcpy",p2) @script:python depends on report@ p1 << r1.p1; p2 << r1.p2; @@ msg = "WARNING opportunity for kstrdep (strcpy on line %s)" % (p2[0].line) coccilib.report.print_report(p1[0], msg) @script:python depends on report@ p1 << r2.p1; p2 << r2.p2; @@ msg = "WARNING opportunity for kstrdep (memcpy on line %s)" % (p2[0].line) coccilib.report.print_report(p1[0], msg) ect>
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authorLinus Torvalds <torvalds@linux-foundation.org>2016-12-25 14:01:28 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-25 14:01:28 -0800
commit10bbe7599e2755d3f3e100103967788b8b5a4bce (patch)
treef4d5bc444584dc211c5797be5aad5e861c9181b3 /tools/lib/lockdep
parent62906027091f1d02de44041524f0769f60bb9cf3 (diff)
parent6886fee4d7a3afaf905a8e0bec62dc8fdc39878d (diff)
Merge branch 'turbostat' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pull turbostat updates from Len Brown. * 'turbostat' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: tools/power turbostat: remove obsolete -M, -m, -C, -c options tools/power turbostat: Make extensible via the --add parameter tools/power turbostat: Denverton uses a 25 MHz crystal, not 19.2 MHz tools/power turbostat: line up headers when -M is used tools/power turbostat: fix SKX PKG_CSTATE_LIMIT decoding tools/power turbostat: Support Knights Mill (KNM) tools/power turbostat: Display HWP OOB status tools/power turbostat: fix Denverton BCLK tools/power turbostat: use intel-family.h model strings tools/power/turbostat: Add Denverton RAPL support tools/power/turbostat: Add Denverton support tools/power/turbostat: split core MSR support into status + limit tools/power turbostat: fix error case overflow read of slm_freq_table[] tools/power turbostat: Allocate correct amount of fd and irq entries tools/power turbostat: switch to tab delimited output tools/power turbostat: Gracefully handle ACPI S3 tools/power turbostat: tidy up output on Joule counter overflow
Diffstat (limited to 'tools/lib/lockdep')