diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-02-09 13:58:40 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-02-09 13:58:40 -0800 |
| commit | 7d1676629e9262f441540ecb0cde57e5cafc632f (patch) | |
| tree | f60ad97a2253e76f2e2f04727f43beda787a309f /drivers/staging/android/ram_console.c | |
| parent | 6707fbb56c8fd3121e334291d170934bcaca2e7f (diff) | |
| parent | 6136ac86b719716694884a84cd9d403207cc52b9 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6:
Staging: panel: fix lcd panel driver build failure
Staging: android: fix up units in timed_gpio
Staging: android: ram_console: Disable ECC when early init is enabled and validate buffer size
Staging: at76_usb: Add support for OQO Model 01+
Staging: at76_usb: fix bugs introduced by "Staging: at76_usb: cleanup dma on stack issues"
Revert Staging: at76_usb: update drivers/staging/at76_usb w/ mac80211 port
Diffstat (limited to 'drivers/staging/android/ram_console.c')
| -rw-r--r-- | drivers/staging/android/ram_console.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/staging/android/ram_console.c b/drivers/staging/android/ram_console.c index bf006857a87..643ac5ce381 100644 --- a/drivers/staging/android/ram_console.c +++ b/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; |