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export DRIVER for older kernels as a replacement for PHYSDEVDRIVER

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This commit is contained in:
Kay Sievers 2006-08-20 18:19:08 +02:00
parent 775f5e3587
commit 220dac4c5e
1 changed files with 10 additions and 0 deletions
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10
udevd.c
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@ -566,6 +566,7 @@ static struct udevd_uevent_msg *get_msg_from_envbuf(const char *buf, int buf_siz
int bufpos;
int i;
struct udevd_uevent_msg *msg;
char *physdevdriver_key = NULL;
int major = 0;
int minor = 0;
@ -600,6 +601,8 @@ static struct udevd_uevent_msg *get_msg_from_envbuf(const char *buf, int buf_siz
msg->seqnum = strtoull(&key[7], NULL, 10);
else if (strncmp(key, "PHYSDEVPATH=", 12) == 0)
msg->physdevpath = &key[12];
else if (strncmp(key, "PHYSDEVDRIVER=", 14) == 0)
physdevdriver_key = key;
else if (strncmp(key, "MAJOR=", 6) == 0)
major = strtoull(&key[6], NULL, 10);
else if (strncmp(key, "MINOR=", 6) == 0)
@ -609,6 +612,13 @@ static struct udevd_uevent_msg *get_msg_from_envbuf(const char *buf, int buf_siz
}
msg->devt = makedev(major, minor);
msg->envp[i++] = "UDEVD_EVENT=1";
if (msg->driver == NULL && msg->physdevpath == NULL && physdevdriver_key != NULL) {
/* for older kernels DRIVER is empty for a bus device, export PHYSDEVDRIVER as DRIVER */
msg->envp[i++] = &physdevdriver_key[7];
msg->driver = &physdevdriver_key[14];
}
msg->envp[i] = NULL;
if (msg->devpath == NULL || msg->action == NULL) {