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| author | Arnd Bergmann <arnd@arndb.de> | 2020-01-16 15:58:41 +0100 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2021-07-23 14:40:00 +0200 |
| commit | 2820cfdc08178c55efa1c0fa402f082ef09bfe70 (patch) | |
| tree | 41a09cdb09e78200e39af196dff143a977464936 /arch/hexagon/Kconfig | |
| parent | 2f69b04a88687626b044a66661c570ca0ca6a0fc (diff) | |
| download | linux-2820cfdc08178c55efa1c0fa402f082ef09bfe70.tar.gz | |
hexagon: use generic strncpy/strnlen from_user
Remove the hexagon implementation of strncpy/strnlen and instead use
the generic version. The hexagon version reads the data twice for
strncpy() by doing an extra strnlen(), and it apparently lacks a check
for user_addr_max().
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/hexagon/Kconfig')
| -rw-r--r-- | arch/hexagon/Kconfig | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/hexagon/Kconfig b/arch/hexagon/Kconfig index e5a852080730..3bf4845fed4b 100644 --- a/arch/hexagon/Kconfig +++ b/arch/hexagon/Kconfig @@ -19,6 +19,8 @@ config HEXAGON # GENERIC_ALLOCATOR is used by dma_alloc_coherent() select GENERIC_ALLOCATOR select GENERIC_IRQ_SHOW + select GENERIC_STRNCPY_FROM_USER + select GENERIC_STRNLEN_USER select HAVE_ARCH_KGDB select HAVE_ARCH_TRACEHOOK select NEED_SG_DMA_LENGTH |