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ipconfig: Handle CONFIG_CIFS_ROOT option

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The experimental root file system support in cifs.ko relies on
ipconfig to set up the network stack and then accessing the SMB share
that contains the rootfs files.

Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Paulo Alcantara (SUSE) 2019-10-01 14:10:28 -03:00 committed by David S. Miller
parent 8902dd5260
commit 51976f47d2
1 changed files with 8 additions and 2 deletions
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10
net/ipv4/ipconfig.c
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@ -1483,10 +1483,10 @@ static int __init ip_auto_config(void)
* missing values.
*/
if (ic_myaddr == NONE ||
#ifdef CONFIG_ROOT_NFS
#if defined(CONFIG_ROOT_NFS) || defined(CONFIG_CIFS_ROOT)
(root_server_addr == NONE &&
ic_servaddr == NONE &&
ROOT_DEV == Root_NFS) ||
(ROOT_DEV == Root_NFS || ROOT_DEV == Root_CIFS)) ||
#endif
ic_first_dev->next) {
#ifdef IPCONFIG_DYNAMIC
@ -1513,6 +1513,12 @@ static int __init ip_auto_config(void)
goto try_try_again;
}
#endif
#ifdef CONFIG_CIFS_ROOT
if (ROOT_DEV == Root_CIFS) {
pr_err("IP-Config: Retrying forever (CIFS root)...\n");
goto try_try_again;
}
#endif
if (--retries) {
pr_err("IP-Config: Reopening network devices...\n");