diff --git a/[refs] b/[refs] index c92d7259f374..1b9623b6613c 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 07f269862a2981f1512de5393e2d0ce5b2ee8305 +refs/heads/master: 5701c0519b7a357a602fda5c96f26197ecfc4c85 diff --git a/trunk/drivers/staging/android/Kconfig b/trunk/drivers/staging/android/Kconfig index 6b996db0dd6a..604bd1e0d546 100644 --- a/trunk/drivers/staging/android/Kconfig +++ b/trunk/drivers/staging/android/Kconfig @@ -27,6 +27,7 @@ menuconfig ANDROID_RAM_CONSOLE_ERROR_CORRECTION bool "Android RAM Console Enable error correction" default n depends on ANDROID_RAM_CONSOLE + depends on !ANDROID_RAM_CONSOLE_EARLY_INIT select REED_SOLOMON select REED_SOLOMON_ENC8 select REED_SOLOMON_DEC8 diff --git a/trunk/drivers/staging/android/ram_console.c b/trunk/drivers/staging/android/ram_console.c index bf006857a87a..643ac5ce381d 100644 --- a/trunk/drivers/staging/android/ram_console.c +++ b/trunk/drivers/staging/android/ram_console.c @@ -224,9 +224,23 @@ static int __init ram_console_init(struct ram_console_buffer *buffer, ram_console_buffer_size = buffer_size - sizeof(struct ram_console_buffer); + if (ram_console_buffer_size > buffer_size) { + pr_err("ram_console: buffer %p, invalid size %d, datasize %d\n", + buffer, buffer_size, ram_console_buffer_size); + return 0; + } + #ifdef CONFIG_ANDROID_RAM_CONSOLE_ERROR_CORRECTION ram_console_buffer_size -= (DIV_ROUND_UP(ram_console_buffer_size, ECC_BLOCK_SIZE) + 1) * ECC_SIZE; + + if (ram_console_buffer_size > buffer_size) { + pr_err("ram_console: buffer %p, invalid size %d, " + "non-ecc datasize %d\n", + buffer, buffer_size, ram_console_buffer_size); + return 0; + } + ram_console_par_buffer = buffer->data + ram_console_buffer_size;