Date: Wed, 13 Sep 2017 14:27:13 +0000 (UTC) From: Toomas Soome <tsoome@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r323541 - head/sys/boot/efi/libefi Message-ID: <201709131427.v8DERD58056515@repo.freebsd.org>
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Author: tsoome Date: Wed Sep 13 14:27:13 2017 New Revision: 323541 URL: https://svnweb.freebsd.org/changeset/base/323541 Log: libefi: efipart_realstrategy rsize pointer may be NULL Need to check rsize before dereferencing it. Modified: head/sys/boot/efi/libefi/efipart.c Modified: head/sys/boot/efi/libefi/efipart.c ============================================================================== --- head/sys/boot/efi/libefi/efipart.c Wed Sep 13 13:03:29 2017 (r323540) +++ head/sys/boot/efi/libefi/efipart.c Wed Sep 13 14:27:13 2017 (r323541) @@ -924,7 +924,8 @@ efipart_realstrategy(void *devdata, int rw, daddr_t bl readstart = off / blkio->Media->BlockSize; if (diskend <= readstart) { - *rsize = 0; + if (rsize != NULL) + *rsize = 0; return (EIO); }
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