extmod/vfs_rom_file: Don't cast to ssize_t, it's already signed.

dpgeorge · dpgeorge · commit b5b1ca0ef91b · 2024-12-20T16:20:57.000+11:00
Signed-off-by: Damien George &lt;damien@micropython.org&gt;
diff --git a/extmod/vfs_rom_file.c b/extmod/vfs_rom_file.c
@@ -118,7 +118,7 @@ static mp_uint_t vfs_rom_file_ioctl(mp_obj_t o_in, mp_uint_t request, uintptr_t
                 self->file_offset = self->file_size + s->offset;
             }
             if (self->file_offset > self->file_size) {
-                if ((ssize_t)s->offset < 0) {
+                if (s->offset < 0) {
                     // Seek to before the start of the file.
                     *errcode = MP_EINVAL;
                     return MP_STREAM_ERROR;

Original file line number	Diff line number	Diff line change
`@@ -118,7 +118,7 @@ static mp_uint_t vfs_rom_file_ioctl(mp_obj_t o_in, mp_uint_t request, uintptr_t`
`118`	`118`	`self->file_offset = self->file_size + s->offset;`
`119`	`119`	`}`
`120`	`120`	`if (self->file_offset > self->file_size) {`
`121`		`- if ((ssize_t)s->offset < 0) {`
	`121`	`+ if (s->offset < 0) {`
`122`	`122`	`// Seek to before the start of the file.`
`123`	`123`	`*errcode = MP_EINVAL;`
`124`	`124`	`return MP_STREAM_ERROR;`