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| author | Pali Rohár <pali@kernel.org> | 2022-11-05 17:51:25 +0100 |
|---|---|---|
| committer | Pali Rohár <pali@kernel.org> | 2022-11-18 14:10:19 +0100 |
| commit | b0c61ad624f8398b91bcdd201cdf13dc02d51372 (patch) | |
| tree | 82b57ec5ffe22067f7ff9c5184dbefce56dbe8cc | |
| parent | 438cde95675a2d9f2848962848c0f109423bed1f (diff) | |
| download | pciutils-b0c61ad624f8398b91bcdd201cdf13dc02d51372.tar.gz | |
libpci: mmio-ports: Check for write access to /dev/mem in detect method
| -rw-r--r-- | lib/mmio-ports.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/mmio-ports.c b/lib/mmio-ports.c index 50cbee7..ae9c30d 100644 --- a/lib/mmio-ports.c +++ b/lib/mmio-ports.c @@ -243,9 +243,9 @@ conf1_detect(struct pci_access *a) return 0; } - if (access(devmem, R_OK)) + if (access(devmem, R_OK | W_OK)) { - a->debug("cannot access %s", devmem); + a->debug("cannot access %s: %s", devmem, strerror(errno)); return 0; } |