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author | Linus Torvalds <torvalds@woody.osdl.org> | 2007-01-08 15:07:31 -0800 |
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committer | Linus Torvalds <torvalds@woody.osdl.org> | 2007-01-08 15:07:31 -0800 |
commit | 86302f417561fec802f88fdfc343265689d4a596 (patch) | |
tree | 7fb35e3ba6a54f64316aeb0f4b4fc9947b1c0691 /include | |
parent | 74bda9310fe9776f3d940057ac2e7881214577d6 (diff) | |
parent | 2dbda7dceca81adfe57c8884be5c66e70822d89a (diff) | |
download | op-kernel-dev-86302f417561fec802f88fdfc343265689d4a596.zip op-kernel-dev-86302f417561fec802f88fdfc343265689d4a596.tar.gz |
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
[MIPS] PNX8550: Fix system timer support
[MIPS] TX49: Fix use of CDEX build_store_reg()
[MIPS] pnx8550: Fix write_config_byte() PCI config space accessor
[MIPS] Fix build errors on SEAD
[MIPS] SMTC build fix
[MIPS] csum_partial and copy in parallel
[MIPS] Malta: Add missing MTD file.
Diffstat (limited to 'include')
-rw-r--r-- | include/asm-mips/checksum.h | 31 | ||||
-rw-r--r-- | include/asm-mips/irq.h | 6 |
2 files changed, 22 insertions, 15 deletions
diff --git a/include/asm-mips/checksum.h b/include/asm-mips/checksum.h index 9b768c3..24cdcc6 100644 --- a/include/asm-mips/checksum.h +++ b/include/asm-mips/checksum.h @@ -29,31 +29,38 @@ */ __wsum csum_partial(const void *buff, int len, __wsum sum); +__wsum __csum_partial_copy_user(const void *src, void *dst, + int len, __wsum sum, int *err_ptr); + /* * this is a new version of the above that records errors it finds in *errp, * but continues and zeros the rest of the buffer. */ -__wsum csum_partial_copy_from_user(const void __user *src, - void *dst, int len, - __wsum sum, int *errp); +static inline +__wsum csum_partial_copy_from_user(const void __user *src, void *dst, int len, + __wsum sum, int *err_ptr) +{ + might_sleep(); + return __csum_partial_copy_user((__force void *)src, dst, + len, sum, err_ptr); +} /* * Copy and checksum to user */ #define HAVE_CSUM_COPY_USER -static inline __wsum csum_and_copy_to_user (const void *src, void __user *dst, - int len, __wsum sum, - int *err_ptr) +static inline +__wsum csum_and_copy_to_user(const void *src, void __user *dst, int len, + __wsum sum, int *err_ptr) { might_sleep(); - sum = csum_partial(src, len, sum); - - if (copy_to_user(dst, src, len)) { + if (access_ok(VERIFY_WRITE, dst, len)) + return __csum_partial_copy_user(src, (__force void *)dst, + len, sum, err_ptr); + if (len) *err_ptr = -EFAULT; - return (__force __wsum)-1; - } - return sum; + return (__force __wsum)-1; /* invalid checksum */ } /* diff --git a/include/asm-mips/irq.h b/include/asm-mips/irq.h index 6765708..386da82 100644 --- a/include/asm-mips/irq.h +++ b/include/asm-mips/irq.h @@ -31,14 +31,14 @@ static inline int irq_canonicalize(int irq) * functions will take over re-enabling the low-level mask. * Otherwise it will be done on return from exception. */ -#define __DO_IRQ_SMTC_HOOK() \ +#define __DO_IRQ_SMTC_HOOK(irq) \ do { \ if (irq_hwmask[irq] & 0x0000ff00) \ write_c0_tccontext(read_c0_tccontext() & \ ~(irq_hwmask[irq] & 0x0000ff00)); \ } while (0) #else -#define __DO_IRQ_SMTC_HOOK() do { } while (0) +#define __DO_IRQ_SMTC_HOOK(irq) do { } while (0) #endif /* @@ -52,7 +52,7 @@ do { \ #define do_IRQ(irq) \ do { \ irq_enter(); \ - __DO_IRQ_SMTC_HOOK(); \ + __DO_IRQ_SMTC_HOOK(irq); \ generic_handle_irq(irq); \ irq_exit(); \ } while (0) |