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USB: atm/cxacru, fix lock imbalance

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We do not hold mutex in one place in cxacru_cm, but unlock it on fail path.
Fix this.

Signed-off-by: Jiri Slaby <[email protected]>
Cc: Simon Arlott <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Jiri Slaby 2009-03-11 21:47:36 +01:00 • committed by Greg Kroah-Hartman
commit eeafa64b7a
1 changed files with 2 additions and 1 deletions
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3
drivers/usb/atm/cxacru.c
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@ -485,7 +485,7 @@ static int cxacru_cm(struct cxacru_data *instance, enum cxacru_cm_request cm,
usb_err(instance->usbatm, "requested transfer size too large (%d, %d)\n",
wbuflen, rbuflen);
ret = -ENOMEM;
goto fail;
goto err;
}
mutex_lock(&instance->cm_serialize);
@ -565,6 +565,7 @@ static int cxacru_cm(struct cxacru_data *instance, enum cxacru_cm_request cm,
dbg("cm %#x", cm);
fail:
mutex_unlock(&instance->cm_serialize);
err:
return ret;
}