diff options
Diffstat (limited to 'target/linux/ipq806x/patches-4.4/019-1-nvmem-core-return-error-for-non-word-aligned-access.patch')
-rw-r--r-- | target/linux/ipq806x/patches-4.4/019-1-nvmem-core-return-error-for-non-word-aligned-access.patch | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/target/linux/ipq806x/patches-4.4/019-1-nvmem-core-return-error-for-non-word-aligned-access.patch b/target/linux/ipq806x/patches-4.4/019-1-nvmem-core-return-error-for-non-word-aligned-access.patch deleted file mode 100644 index 13415f51d0..0000000000 --- a/target/linux/ipq806x/patches-4.4/019-1-nvmem-core-return-error-for-non-word-aligned-access.patch +++ /dev/null @@ -1,42 +0,0 @@ -From 313a72ff983cc2e00ac4dcb791d40ebf2f9d5718 Mon Sep 17 00:00:00 2001 -From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> -Date: Tue, 17 Nov 2015 09:12:41 +0000 -Subject: nvmem: core: return error for non word aligned access - -nvmem providers have restrictions on register strides, so return error -when users attempt to read/write buffers with sizes which are less -than word size. - -Without this patch the userspace would continue to try as it does not -get any error from the nvmem core, resulting in a hang or endless loop -in userspace. - -Reported-by: Ariel D'Alessandro <ariel@vanguardiasur.com.ar> -Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> -Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> ---- - drivers/nvmem/core.c | 6 ++++++ - 1 file changed, 6 insertions(+) - ---- a/drivers/nvmem/core.c -+++ b/drivers/nvmem/core.c -@@ -70,6 +70,9 @@ static ssize_t bin_attr_nvmem_read(struc - if (pos >= nvmem->size) - return 0; - -+ if (count < nvmem->word_size) -+ return -EINVAL; -+ - if (pos + count > nvmem->size) - count = nvmem->size - pos; - -@@ -95,6 +98,9 @@ static ssize_t bin_attr_nvmem_write(stru - if (pos >= nvmem->size) - return 0; - -+ if (count < nvmem->word_size) -+ return -EINVAL; -+ - if (pos + count > nvmem->size) - count = nvmem->size - pos; - |