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| author | Konstantin Belousov <kib@FreeBSD.org> | 2012-02-21 01:05:12 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2012-02-21 01:05:12 +0000 |
| commit | 526d0bd547574b185147f03c13e2db7abe566a08 (patch) | |
| tree | d0d078391c4959fc08545db4ab619daadd9cf1d9 /sys/kern/kern_ktrace.c | |
| parent | 57a82ba4d95159d3623b0d401cfc3cc8f6357c28 (diff) | |
| download | src-526d0bd547574b185147f03c13e2db7abe566a08.tar.gz src-526d0bd547574b185147f03c13e2db7abe566a08.zip | |
Fix found places where uio_resid is truncated to int.
Add the sysctl debug.iosize_max_clamp, enabled by default. Setting the
sysctl to zero allows to perform the SSIZE_MAX-sized i/o requests from
the usermode.
Discussed with: bde, das (previous versions)
MFC after: 1 month
Notes
Notes:
svn path=/head/; revision=231949
Diffstat (limited to 'sys/kern/kern_ktrace.c')
| -rw-r--r-- | sys/kern/kern_ktrace.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/kern/kern_ktrace.c b/sys/kern/kern_ktrace.c index 120733e72679..2c6e36c1817b 100644 --- a/sys/kern/kern_ktrace.c +++ b/sys/kern/kern_ktrace.c @@ -684,7 +684,7 @@ ktrgenio(fd, rw, uio, error) } uio->uio_offset = 0; uio->uio_rw = UIO_WRITE; - datalen = imin(uio->uio_resid, ktr_geniosize); + datalen = MIN(uio->uio_resid, ktr_geniosize); buf = malloc(datalen, M_KTRACE, M_WAITOK); error = uiomove(buf, datalen, uio); free(uio, M_IOV); |