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| -rw-r--r-- | docs/mdev.txt | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/docs/mdev.txt b/docs/mdev.txt index 0b2c37d99..4a4451b4d 100644 --- a/docs/mdev.txt +++ b/docs/mdev.txt @@ -62,10 +62,12 @@ The special characters have the meaning: * Run both after creating and before removing the device. The command is executed via the system() function (which means you're giving a -command to the shell), so make sure you have a shell installed at /bin/sh. +command to the shell), so make sure you have a shell installed at /bin/sh. You +should also keep in mind that the kernel executes hotplug helpers with stdin, +stdout, and stderr connected to /dev/null. For your convenience, the shell env var $MDEV is set to the device name. So if -the device 'hdc' was matched, MDEV would be set to "hdc". +the device "hdc" was matched, MDEV would be set to "hdc". ---------- FIRMWARE |