[U-Boot] [PATCH] tegra20: initialize variable to avoid compiler warning
Initialize this variable to avoid a compiler warning about possible use of uninitialized variable with gcc 4.4.6.
Signed-off-by: Allen Martin amartin@nvidia.com --- arch/arm/cpu/tegra20-common/emc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/cpu/tegra20-common/emc.c b/arch/arm/cpu/tegra20-common/emc.c index 97420d7..90edf00 100644 --- a/arch/arm/cpu/tegra20-common/emc.c +++ b/arch/arm/cpu/tegra20-common/emc.c @@ -257,7 +257,7 @@ static int decode_emc(const void *blob, unsigned rate, struct emc_ctlr **emcp, int tegra_set_emc(const void *blob, unsigned rate) { struct emc_ctlr *emc; - const u32 *table; + const u32 *table = NULL; int err, i;
err = decode_emc(blob, rate, &emc, &table);
On 10/20/2012 01:18 AM, Allen Martin wrote:
Initialize this variable to avoid a compiler warning about possible use of uninitialized variable with gcc 4.4.6.
Acked-by: Stephen Warren swarren@nvidia.com
Hi,
On Sat, Oct 20, 2012 at 12:18 AM, Allen Martin amartin@nvidia.com wrote:
Initialize this variable to avoid a compiler warning about possible use of uninitialized variable with gcc 4.4.6.
Signed-off-by: Allen Martin amartin@nvidia.com
Acked-by: Simon Glass sjg@chromium.org Tested-by: Simon Glass sjg@chromium.org
I suppose the compiler is confused by the 'return node' bit. It might be better to set '*emcp = NULL' at the top of decode_emc(), but this is fine too.
arch/arm/cpu/tegra20-common/emc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/cpu/tegra20-common/emc.c b/arch/arm/cpu/tegra20-common/emc.c index 97420d7..90edf00 100644 --- a/arch/arm/cpu/tegra20-common/emc.c +++ b/arch/arm/cpu/tegra20-common/emc.c @@ -257,7 +257,7 @@ static int decode_emc(const void *blob, unsigned rate, struct emc_ctlr **emcp, int tegra_set_emc(const void *blob, unsigned rate) { struct emc_ctlr *emc;
const u32 *table;
const u32 *table = NULL; int err, i; err = decode_emc(blob, rate, &emc, &table);-- 1.7.10.4
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