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| author | Peter Maydell <peter.maydell@linaro.org> | 2016-07-15 14:57:26 +0100 |
|---|---|---|
| committer | Riku Voipio <riku.voipio@linaro.org> | 2016-09-21 14:19:46 +0300 |
| commit | dab32b321f4d510ed5171b12f68bd5aa7a02cffe (patch) | |
| tree | 437940b07e81a35ed72b8631f68897e5350f163e /linux-user | |
| parent | a008535b9fa396226ff9cf78b8ac5f3584bda58e (diff) | |
| download | qemu-dab32b321f4d510ed5171b12f68bd5aa7a02cffe.tar.gz | |
linux-user: Fix handling of iovec counts
In the kernel the length of an iovec is generally handled as
an unsigned long, not an integer; fix the parameter to
lock_iovec() accordingly.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Diffstat (limited to 'linux-user')
| -rw-r--r-- | linux-user/syscall.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index ca06943f3b..71f40e3ab8 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -3119,7 +3119,7 @@ static abi_long do_getsockopt(int sockfd, int level, int optname, } static struct iovec *lock_iovec(int type, abi_ulong target_addr, - int count, int copy) + abi_ulong count, int copy) { struct target_iovec *target_vec; struct iovec *vec; @@ -3132,7 +3132,7 @@ static struct iovec *lock_iovec(int type, abi_ulong target_addr, errno = 0; return NULL; } - if (count < 0 || count > IOV_MAX) { + if (count > IOV_MAX) { errno = EINVAL; return NULL; } @@ -3207,7 +3207,7 @@ static struct iovec *lock_iovec(int type, abi_ulong target_addr, } static void unlock_iovec(struct iovec *vec, abi_ulong target_addr, - int count, int copy) + abi_ulong count, int copy) { struct target_iovec *target_vec; int i; @@ -3462,7 +3462,7 @@ static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp, { abi_long ret, len; struct msghdr msg; - int count; + abi_ulong count; struct iovec *vec; abi_ulong target_vec; |