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The data type returned by vmoff() is too narrow in its range. This could

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break the transmission of files longer than 4 GB on 32-bit architectures.

Reviewed by:	glebius, kib
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D10019
This commit is contained in:
Alan Cox 2017-06-03 16:19:33 +00:00
parent 698f05ab95
commit d712b799b5
1 changed files with 2 additions and 2 deletions
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4
sys/kern/kern_sendfile.c
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@ -207,12 +207,12 @@ xfsize(int i, int n, off_t off, off_t len)
/*
* Helper function to get offset within object for i page.
*/
static inline vm_offset_t
static inline vm_ooffset_t
vmoff(int i, off_t off)
{
if (i == 0)
return ((vm_offset_t)off);
return ((vm_ooffset_t)off);
return (trunc_page(off + i * PAGE_SIZE));
}