Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=37435446244958edc36b33cf2b87c2f5cd433ba4
Commit: 37435446244958edc36b33cf2b87c2f5cd433ba4
Parent: 33712560285c9f7f5251508bcddeef0c57aa3329
Author: Takashi Iwai <[EMAIL PROTECTED]>
AuthorDate: Mon Oct 29 11:14:31 2007 +0100
Committer: Mercurial server <[EMAIL PROTECTED]>
CommitDate: Tue Nov 20 19:52:19 2007 +0100
[ALSA] portman2x4 - Fix probe error
Reported by Ingo Molnar,
when booting an allyesconfig bzImage kernel the bootup hangs in the
portman2x4 driver (on a box that does not have this hardware), at:
Pid: 1, comm: swapper
EIP: 0060:[<c02f763c>] CPU: 0
EIP is at parport_pc_read_status+0x4/0x8
EFLAGS: 00000202 Not tainted (2.6.23-rc9 #904)
EAX: f7e57a7f EBX: 00000010 ECX: c2b808c0 EDX: 00000379
ESI: f7cb8230 EDI: 00000010 EBP: f7cb8230 DS: 007b ES: 007b FS: 0000
CR0: 8005003b CR2: fff9c000 CR3: 007ec000 CR4: 00000690
DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
DR6: ffff0ff0 DR7: 00000400
[<c04613de>] portman_flush_input+0xde/0x12c
[<c0461a24>] snd_portman_probe+0x368/0x484
[<c02fbb8c>] __device_attach+0x0/0x8
[<c02fce68>] platform_drv_probe+0xc/0x10
[<c02fba6c>] driver_probe_device+0x74/0x194
[<c0587174>] klist_next+0x38/0x70
[<c02fbb8c>] __device_attach+0x0/0x8
[<c02faea1>] bus_for_each_drv+0x35/0x68
[<c02fbc22>] device_attach+0x72/0x78
the reason is due to an inconsistent error return code of 1 or 2, while
snd_portman_probe only realizes negative error codes.
Signed-off-by: Takashi Iwai <[EMAIL PROTECTED]>
Signed-off-by: Jaroslav Kysela <[EMAIL PROTECTED]>
---
sound/drivers/portman2x4.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/sound/drivers/portman2x4.c b/sound/drivers/portman2x4.c
index e065b2a..1b83287 100644
--- a/sound/drivers/portman2x4.c
+++ b/sound/drivers/portman2x4.c
@@ -668,7 +668,7 @@ static int __devinit snd_portman_probe_port(struct parport
*p)
parport_release(pardev);
parport_unregister_device(pardev);
- return res;
+ return res ? -EIO : 0;
}
static void __devinit snd_portman_attach(struct parport *p)
-
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