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IB/qib: fix false-postive maybe-uninitialized warning

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aarch64-linux-gcc-7 complains about code it doesn't fully understand:

drivers/infiniband/hw/qib/qib_iba7322.c: In function 'qib_7322_txchk_change':
include/asm-generic/bitops/non-atomic.h:105:35: error: 'shadow' may be used uninitialized in this function [-Werror=maybe-uninitialized]

The code is right, and despite trying hard, I could not come up with a version
that I liked better than just adding a fake initialization here to shut up the
warning.

Fixes: f931551baf ("IB/qib: Add new qib driver for QLogic PCIe InfiniBand adapters")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Arnd Bergmann 2017-03-14 13:18:45 +01:00 committed by Doug Ledford
parent ea174c9573
commit f6aafac184
1 changed files with 1 additions and 1 deletions
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drivers/infiniband/hw/qib/qib_iba7322.c
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@ -7068,7 +7068,7 @@ static void qib_7322_txchk_change(struct qib_devdata *dd, u32 start,
unsigned long flags;
while (wait) {
unsigned long shadow;
unsigned long shadow = 0;
int cstart, previ = -1;
/*