svn commit: r323541 - head/sys/boot/efi/libefi
Toomas Soome
tsoome at FreeBSD.org
Wed Sep 13 14:27:15 UTC 2017
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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