Author: tsoome
Date: Thu Jun 14 09:06:53 2018
New Revision: 335126
URL: https://svnweb.freebsd.org/changeset/base/335126
Log:
libsa: f_rabuf could be NULL
It is possible that we will not get RA buffer from open(), therefore
we must validate RA.
Modified:
head/stand/libsa/read.c
Modified: head/stand/libsa/read.c
==============================================================================
--- head/stand/libsa/read.c Thu Jun 14 08:58:10 2018 (r335125)
+++ head/stand/libsa/read.c Thu Jun 14 09:06:53 2018 (r335126)
@@ -108,7 +108,7 @@ read(int fd, void *dest, size_t bcount)
}
/* will filling the readahead buffer again not help? */
- if (resid >= SOPEN_RASIZE) {
+ if (f->f_rabuf == NULL || resid >= SOPEN_RASIZE) {
/*
* bypass the rest of the request and leave the
* buffer empty
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