X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=drivers%2Fmtd%2Fspi%2Feeprom_m95xxx.c;h=632db4e9e0a60c57ab94a4c54a2b2b9123cb42d0;hb=e2c2a95e60678ad2c0b2cdd8f6b62be1ba3fb4ab;hp=59f80e39ff22e3d97415c7f915a7022e8fcb689e;hpb=3ac374c0f0b7d856f1a43317a286f2079106bd6a;p=oweals%2Fu-boot.git

diff --git a/drivers/mtd/spi/eeprom_m95xxx.c b/drivers/mtd/spi/eeprom_m95xxx.c
index 59f80e39ff..632db4e9e0 100644
--- a/drivers/mtd/spi/eeprom_m95xxx.c
+++ b/drivers/mtd/spi/eeprom_m95xxx.c
@@ -44,6 +44,9 @@ ssize_t spi_read (uchar *addr, int alen, uchar *buffer, int len)
 
 	slave = spi_setup_slave(CONFIG_DEFAULT_SPI_BUS, 1, 1000000,
 			CONFIG_DEFAULT_SPI_MODE);
+	if(!slave)
+		return 0;
+
 	spi_claim_bus(slave);
 
 	/* command */
@@ -71,11 +74,13 @@ ssize_t spi_read (uchar *addr, int alen, uchar *buffer, int len)
 ssize_t spi_write (uchar *addr, int alen, uchar *buffer, int len)
 {
 	struct spi_slave *slave;
-	int i;
 	char buf[3];
 
 	slave = spi_setup_slave(CONFIG_DEFAULT_SPI_BUS, 1, 1000000,
 			CONFIG_DEFAULT_SPI_MODE);
+	if (!slave)
+		return 0;
+
 	spi_claim_bus(slave);
 
 	buf[0] = SPI_EEPROM_WREN;