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drivers/mtd/spi/eeprom_m95xxx.c: add missing error checking

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Signed-off-by: Albin Tonnerre <albin.tonnerre@free-electrons.com>
This commit is contained in:
Albin Tonnerre 2010-03-14 18:47:23 +01:00 • committed by Wolfgang Denk
parent 74b86d2d51
commit f852a0c3bf
1 changed files with 6 additions and 0 deletions
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6
drivers/mtd/spi/eeprom_m95xxx.c
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@ -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 */
@ -75,6 +78,9 @@ ssize_t spi_write (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);
buf[0] = SPI_EEPROM_WREN;