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libsa: f_rabuf could be NULL

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It is possible that we will not get RA buffer from open(), therefore
we must validate RA.
This commit is contained in:
Toomas Soome 2018-06-14 09:06:53 +00:00
parent f03b083204
commit 7416e819ad
1 changed files with 1 additions and 1 deletions
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stand/libsa/read.c
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@ -108,7 +108,7 @@ read(int fd, void *dest, size_t bcount)
} }
/* will filling the readahead buffer again not help? */ /* 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 * bypass the rest of the request and leave the
* buffer empty * buffer empty