regmap: spi: Handle allocation failures gracefully

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
git-mirror · Feb 5, 2013 · 95601d6 · 95601d6
1 parent f88948e
commit 95601d6
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/drivers/base/regmap/regmap-spi.c b/drivers/base/regmap/regmap-spi.c
@@ -86,6 +86,8 @@ static struct regmap_async *regmap_spi_async_alloc(void)
 	struct regmap_async_spi *async_spi;
 
 	async_spi = kzalloc(sizeof(*async_spi), GFP_KERNEL);
+	if (!async_spi)
+		return NULL;
 
 	return &async_spi->core;
 }