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acfa922c5a
The loop above the modified code only terminates when rc is a valid pointer. A simplified version of the semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r exists@ local idexpression x; expression E; position p1,p2; @@ if (x@p1 == NULL || ...) { ... when forall return ...; } ... when != \(x=E\|x--\|x++\|--x\|++x\|x-=E\|x+=E\|x|=E\|x&=E\|&x\) ( x@p2 == NULL | x@p2 != NULL ) // another path to the test that is not through p1? @s exists@ local idexpression r.x; position r.p1,r.p2; @@ ... when != x@p1 ( x@p2 == NULL | x@p2 != NULL ) @fix depends on !s@ position r.p1,r.p2; expression x,E; statement S1,S2; @@ ( - if ((x@p2 != NULL) || ...) S1 | - if ((x@p2 == NULL) && ...) S1 | - BUG_ON(x@p2 == NULL); ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> |
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| .. | ||
| vdso32 | ||
| vdso64 | ||
| asm-offsets.c | ||
| audit.c | ||
| audit.h | ||
| base.S | ||
| bitmap.S | ||
| compat_audit.c | ||
| compat_exec_domain.c | ||
| compat_linux.c | ||
| compat_linux.h | ||
| compat_ptrace.h | ||
| compat_signal.c | ||
| compat_wrapper.S | ||
| cpcmd.c | ||
| crash.c | ||
| debug.c | ||
| diag.c | ||
| dis.c | ||
| early.c | ||
| ebcdic.c | ||
| entry64.S | ||
| entry.h | ||
| entry.S | ||
| head31.S | ||
| head64.S | ||
| head.S | ||
| init_task.c | ||
| ipl.c | ||
| irq.c | ||
| kprobes.c | ||
| machine_kexec.c | ||
| Makefile | ||
| mcount.S | ||
| mem_detect.c | ||
| module.c | ||
| process.c | ||
| ptrace.c | ||
| reipl64.S | ||
| reipl.S | ||
| relocate_kernel64.S | ||
| relocate_kernel.S | ||
| s390_ext.c | ||
| s390_ksyms.c | ||
| setup.c | ||
| signal.c | ||
| smp.c | ||
| stacktrace.c | ||
| sys_s390.c | ||
| syscalls.S | ||
| time.c | ||
| topology.c | ||
| traps.c | ||
| vdso.c | ||
| vmlinux.lds.S | ||
| vtime.c | ||