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PCI/IOV: Enlarge virtfn sysfs name buffer

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The sysfs link name "virtfn%u" constructed by pci_iov_sysfs_link() requires
17 bytes to contain the longest possible string.  Increase VIRTFN_ID_LEN to
accommodate that.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

[bhelgaas: commit log, comment at #define]
Fixes: dd7cc44d0b ("PCI: add SR-IOV API for Physical Function driver")
Link: https://lore.kernel.org/r/20221218033347.23743-1-gremlin@altlinux.org
Signed-off-by: Alexey V. Vissarionov <gremlin@altlinux.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Alexey V. Vissarionov 2022-12-18 06:33:47 +03:00 committed by Bjorn Helgaas
parent 1b929c02af
commit ea0b5aa5f1
1 changed files with 1 additions and 1 deletions
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2
drivers/pci/iov.c
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@ -14,7 +14,7 @@
#include <linux/delay.h>
#include "pci.h"
#define VIRTFN_ID_LEN 16
#define VIRTFN_ID_LEN 17 /* "virtfn%u\0" for 2^32 - 1 */
int pci_iov_virtfn_bus(struct pci_dev *dev, int vf_id)
{