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Subject[PATCH 4/9] mISDN: fix sparse warnings
Impact: make an exported symbol non static

Fix this warning:

drivers/isdn/hardware/mISDN/hfcmulti.c:176:1: warning: symbol 'plx_lock' shadows an earlier one
drivers/isdn/hardware/mISDN/hfcmulti.c:175:19: originally declared here

Signed-off-by: Hannes Eder <>

Note that patch introduces this new warning:

drivers/isdn/hardware/mISDN/hfcmulti.c:175:12: warning: symbol 'plx_lock' was not declared. Should it be static?

Should 'plx_lock' be declared in a header file? Or is it really
neccessart to export it?

drivers/isdn/hardware/mISDN/hfcmulti.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/isdn/hardware/mISDN/hfcmulti.c b/drivers/isdn/hardware/mISDN/hfcmulti.c
index 599d832..b4595f7 100644
--- a/drivers/isdn/hardware/mISDN/hfcmulti.c
+++ b/drivers/isdn/hardware/mISDN/hfcmulti.c
@@ -172,7 +172,7 @@ static int interrupt_registered;

static struct hfc_multi *syncmaster;
static int plxsd_master; /* if we have a master card (yet) */
-static spinlock_t plx_lock; /* may not acquire other lock inside */
+spinlock_t plx_lock; /* may not acquire other lock inside */

#define TYP_E1 1

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