Improve (especially for coherence) some prototypes, and return code of
init_cow_file in error case - for a short write return -EINVAL, otherwise return
the error we got!
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[EMAIL PROTECTED]>
---
arch/um/drivers/cow.h | 2 +-
arch/um/drivers/cow_sys.h | 4 ++--
arch/um/drivers/cow_user.c | 3 ++-
arch/um/drivers/ubd_kern.c | 2 +-
4 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/arch/um/drivers/cow.h b/arch/um/drivers/cow.h
index dc36b22..04e3958 100644
--- a/arch/um/drivers/cow.h
+++ b/arch/um/drivers/cow.h
@@ -46,7 +46,7 @@ extern int file_reader(__u64 offset, cha
extern int read_cow_header(int (*reader)(__u64, char *, int, void *),
void *arg, __u32 *version_out,
char **backing_file_out, time_t *mtime_out,
- unsigned long long *size_out, int *sectorsize_out,
+ __u64 *size_out, int *sectorsize_out,
__u32 *align_out, int *bitmap_offset_out);
extern int write_cow_header(char *cow_file, int fd, char *backing_file,
diff --git a/arch/um/drivers/cow_sys.h b/arch/um/drivers/cow_sys.h
index df25263..94de4ea 100644
--- a/arch/um/drivers/cow_sys.h
+++ b/arch/um/drivers/cow_sys.h
@@ -23,12 +23,12 @@ static inline char *cow_strdup(char *str
return(uml_strdup(str));
}
-static inline int cow_seek_file(int fd, unsigned long long offset)
+static inline int cow_seek_file(int fd, __u64 offset)
{
return(os_seek_file(fd, offset));
}
-static inline int cow_file_size(char *file, unsigned long long *size_out)
+static inline int cow_file_size(char *file, __u64 *size_out)
{
return(os_file_size(file, size_out));
}
diff --git a/arch/um/drivers/cow_user.c b/arch/um/drivers/cow_user.c
index d1c86bc..61951b7 100644
--- a/arch/um/drivers/cow_user.c
+++ b/arch/um/drivers/cow_user.c
@@ -362,7 +362,8 @@ int init_cow_file(int fd, char *cow_file
if(err != sizeof(zero)){
cow_printf("Write of bitmap to new COW file '%s' failed, "
"err = %d\n", cow_file, -err);
- err = -EINVAL;
+ if (err >= 0)
+ err = -EINVAL;
goto out;
}
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index f93af66..59f9890 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -1141,7 +1141,7 @@ static int path_requires_switch(char *fr
static int backing_file_mismatch(char *file, __u64 size, time_t mtime)
{
unsigned long modtime;
- long long actual;
+ unsigned long long actual;
int err;
err = os_file_modtime(file, &modtime);
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