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prevent the number of patterns from exceeding the number of pci devices.

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Submitted by:	rwatson
This commit is contained in:
jmg 2003-06-23 03:17:03 +00:00
parent d207babb62
commit f749ae2faa
1 changed files with 1 additions and 1 deletions
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2
sys/dev/pci/pci_user.c
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@ -249,7 +249,7 @@ pci_ioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td)
* If this test is true, the user wants the pci_conf
* structures returned to match the supplied entries.
*/
if ((cio->num_patterns > 0)
if ((cio->num_patterns > 0) && (cio->num_patterns < pci_numdevs)
&& (cio->pat_buf_len > 0)) {
/*
* pat_buf_len needs to be: