Date: Tue, 21 Aug 2012 19:55:24 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r239530 - head/sys/arm/at91 Message-ID: <201208211955.q7LJtOO3095789@svn.freebsd.org>
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Author: hselasky Date: Tue Aug 21 19:55:24 2012 New Revision: 239530 URL: http://svn.freebsd.org/changeset/base/239530 Log: Make some at91_pcm_xxx() functions NULL safe. Modified: head/sys/arm/at91/at91_pmc.c Modified: head/sys/arm/at91/at91_pmc.c ============================================================================== --- head/sys/arm/at91/at91_pmc.c Tue Aug 21 19:45:48 2012 (r239529) +++ head/sys/arm/at91/at91_pmc.c Tue Aug 21 19:55:24 2012 (r239530) @@ -369,12 +369,15 @@ at91_pmc_clock_ref(const char *name) void at91_pmc_clock_deref(struct at91_pmc_clock *clk) { - + if (clk == NULL) + return; } void at91_pmc_clock_enable(struct at91_pmc_clock *clk) { + if (clk == NULL) + return; /* XXX LOCKING? XXX */ if (clk->parent) @@ -386,6 +389,8 @@ at91_pmc_clock_enable(struct at91_pmc_cl void at91_pmc_clock_disable(struct at91_pmc_clock *clk) { + if (clk == NULL) + return; /* XXX LOCKING? XXX */ if (--clk->refcnt == 0 && clk->set_mode)
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