Date: Tue, 24 Jan 2017 07:48:36 +0000 (UTC) From: Xin LI <delphij@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r312683 - head/usr.bin/mail Message-ID: <201701240748.v0O7man7084870@repo.freebsd.org>
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Author: delphij Date: Tue Jan 24 07:48:36 2017 New Revision: 312683 URL: https://svnweb.freebsd.org/changeset/base/312683 Log: Don't reference NULL pointer. MFC after: 2 weeks Modified: head/usr.bin/mail/popen.c Modified: head/usr.bin/mail/popen.c ============================================================================== --- head/usr.bin/mail/popen.c Tue Jan 24 05:06:52 2017 (r312682) +++ head/usr.bin/mail/popen.c Tue Jan 24 07:48:36 2017 (r312683) @@ -303,7 +303,7 @@ findchild(pid_t pid, int dont_alloc) cpp = &(*cpp)->link) ; if (*cpp == NULL) { - if (dont_alloc) + if (dont_alloc) return(NULL); if (child_freelist) { *cpp = child_freelist; @@ -344,6 +344,8 @@ sigchild(int signo __unused) save_errno = errno; while ((pid = waitpid(-1, &status, WNOHANG)) > 0) { cp = findchild(pid, 1); + if (cp == NULL) + continue; if (cp->free) delchild(cp); else {
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