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Message-Id: <1439245553-2840-1-git-send-email-adrien+dev@schischi.me> Date: Tue, 11 Aug 2015 00:25:53 +0200 From: Adrien Schildknecht <adrien+dev@...ischi.me> To: sgruszka@...hat.com, helmut.schaa@...glemail.com, kvalo@...eaurora.org Cc: linux-wireless@...r.kernel.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, Adrien Schildknecht <adrien+dev@...ischi.me> Subject: [PATCH] rt2x00: adjust EEPROM_SIZE for rt2500usb rt2500usb_validate_eeprom() read data up to 0x6e (EEPROM_CALIBRATE_OFFSET) but only 0x6a bytes has been allocated and read from the eeprom. This lead to out-of-bound accesses and invalid values for EEPROM_BBPTUNE_R17 and EEPROM_CALIBRATE_OFFSET. Change the EEPROM_SIZE to 0x6e in order to retrieve all the fields. Tested with a rt2570 device. Signed-off-by: Adrien Schildknecht <adrien+dev@...ischi.me> --- drivers/net/wireless/rt2x00/rt2500usb.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/rt2x00/rt2500usb.h b/drivers/net/wireless/rt2x00/rt2500usb.h index afba073..78cc035 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.h +++ b/drivers/net/wireless/rt2x00/rt2500usb.h @@ -54,7 +54,7 @@ #define CSR_REG_BASE 0x0400 #define CSR_REG_SIZE 0x0100 #define EEPROM_BASE 0x0000 -#define EEPROM_SIZE 0x006a +#define EEPROM_SIZE 0x006e #define BBP_BASE 0x0000 #define BBP_SIZE 0x0060 #define RF_BASE 0x0004 -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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