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authorOliver Neukum <[email protected]>2020-05-26 12:44:20 +0000
committerGreg Kroah-Hartman <[email protected]>2020-05-27 08:25:40 +0000
commit97fe809934dd2b0b37dfef3a2fc70417f485d7af (patch)
tree21bc484d7eac53ad7f5b563d77ede67faea4172a /drivers/usb/class/cdc-acm.c
parentMerge tag 'thunderbolt-for-v5.8' of git://git.kernel.org/pub/scm/linux/kernel... (diff)
downloadkernel-97fe809934dd2b0b37dfef3a2fc70417f485d7af.tar.gz
kernel-97fe809934dd2b0b37dfef3a2fc70417f485d7af.zip
CDC-ACM: heed quirk also in error handling
If buffers are iterated over in the error case, the lower limits for quirky devices must be heeded. Signed-off-by: Oliver Neukum <[email protected]> Reported-by: Jean Rene Dawin <[email protected]> Fixes: a4e7279cd1d19 ("cdc-acm: introduce a cool down") Cc: stable <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'drivers/usb/class/cdc-acm.c')
-rw-r--r--drivers/usb/class/cdc-acm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index ded8d93834ca..f67088bb8218 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -584,7 +584,7 @@ static void acm_softint(struct work_struct *work)
}
if (test_and_clear_bit(ACM_ERROR_DELAY, &acm->flags)) {
- for (i = 0; i < ACM_NR; i++)
+ for (i = 0; i < acm->rx_buflimit; i++)
if (test_and_clear_bit(i, &acm->urbs_in_error_delay))
acm_submit_read_urb(acm, i, GFP_NOIO);
}