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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-06-15 11:54:51 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-06-15 11:54:51 +0300 |
| commit | 54ed0f71f0a0cbf3218e2503a50364f178b1e855 (patch) | |
| tree | 6bb2b4a205bbc208311fbf46e9ed02eb05357a17 /drivers/infiniband | |
| parent | 35e60a6b7577218ac7eb7777c8849822a080e127 (diff) | |
| parent | d41519a69b35b10af7fda867fb9100df24fdf403 (diff) | |
| download | linux-54ed0f71f0a0cbf3218e2503a50364f178b1e855.tar.xz | |
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fix from Herbert Xu:
"This fixes a bug on sparc where we may dereference freed stack memory"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: Work around deallocated stack frame reference gcc bug on sparc.
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe.h b/drivers/infiniband/sw/rxe/rxe.h index ecdba2fce083..1ac5b8551a4d 100644 --- a/drivers/infiniband/sw/rxe/rxe.h +++ b/drivers/infiniband/sw/rxe/rxe.h @@ -68,6 +68,7 @@ static inline u32 rxe_crc32(struct rxe_dev *rxe, u32 crc, void *next, size_t len) { + u32 retval; int err; SHASH_DESC_ON_STACK(shash, rxe->tfm); @@ -81,7 +82,9 @@ static inline u32 rxe_crc32(struct rxe_dev *rxe, return crc32_le(crc, next, len); } - return *(u32 *)shash_desc_ctx(shash); + retval = *(u32 *)shash_desc_ctx(shash); + barrier_data(shash_desc_ctx(shash)); + return retval; } int rxe_set_mtu(struct rxe_dev *rxe, unsigned int dev_mtu); |