Date: Mon, 9 May 2016 12:24:39 +0000 (UTC) From: Andrew Turner <andrew@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r299257 - head/sys/kern Message-ID: <201605091224.u49COdWP061201@repo.freebsd.org>
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Author: andrew Date: Mon May 9 12:24:39 2016 New Revision: 299257 URL: https://svnweb.freebsd.org/changeset/base/299257 Log: Check malloc succeeded in pic_create, with M_NOWAIT it may return NULL. Obtained from: ABT Systems Ltd Sponsored by: The FreeBSD Foundation Modified: head/sys/kern/subr_intr.c Modified: head/sys/kern/subr_intr.c ============================================================================== --- head/sys/kern/subr_intr.c Mon May 9 11:52:57 2016 (r299256) +++ head/sys/kern/subr_intr.c Mon May 9 12:24:39 2016 (r299257) @@ -871,6 +871,10 @@ pic_create(device_t dev, intptr_t xref) return (pic); } pic = malloc(sizeof(*pic), M_INTRNG, M_NOWAIT | M_ZERO); + if (pic == NULL) { + mtx_unlock(&pic_list_lock); + return (NULL); + } pic->pic_xref = xref; pic->pic_dev = dev; SLIST_INSERT_HEAD(&pic_list, pic, pic_next);
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