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uvc: fix compile warnings

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tested with -Wall, -Wextra

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
This commit is contained in:
Michael Grzeschik 2021-10-26 09:26:59 +02:00
parent 6bd989c868
commit b28dd77810
1 changed files with 13 additions and 6 deletions
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19
src/function/uvc.c
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@ -96,6 +96,8 @@ static int uvc_create_dir(const char *path)
if((mkdir(tmp, S_IRWXU | S_IRWXG | S_IRWXO) != 0) && errno != EEXIST)
return usbg_translate_error(errno);
return ret;
}
static int uvc_link(char *path, char *to, char *from)
@ -118,9 +120,10 @@ static int uvc_link(char *path, char *to, char *from)
static int uvc_set_class(char *func_path, char *cs)
{
int ret, nmb;
char path[USBG_MAX_PATH_LENGTH];
char header_path[USBG_MAX_PATH_LENGTH];
unsigned nmb;
int ret;
nmb = snprintf(path, sizeof(path), "%s/%s", func_path, cs);
if (nmb >= sizeof(path))
@ -174,11 +177,12 @@ static int uvc_set_class(char *func_path, char *cs)
static int uvc_set_frame(char *format_path, char *format, const struct usbg_f_uvc_format_attrs *attrs)
{
int nmb, ret, i;
char frame_path[USBG_MAX_PATH_LENGTH];
char full_frame_path[USBG_MAX_PATH_LENGTH];
char frame_interval[USBG_MAX_PATH_LENGTH];
char frame_name[32];
unsigned nmb;
int ret;
nmb = snprintf(frame_name, sizeof(frame_name), "%dp", attrs->height);
if (nmb >= sizeof(frame_name))
@ -210,7 +214,8 @@ static int uvc_set_frame(char *format_path, char *format, const struct usbg_f_uv
static int uvc_set_streaming(char *func_path, const struct usbg_f_uvc_format_attrs *attrs)
{
char streaming_path[USBG_MAX_PATH_LENGTH];
int ret, nmb;
unsigned nmb;
int ret;
nmb = snprintf(streaming_path, sizeof(streaming_path), "%s/" UVC_PATH_STREAMING, func_path);
if (nmb >= sizeof(streaming_path))
@ -290,7 +295,8 @@ static int uvc_remove(struct usbg_function *f, int opts)
char streaming_path[USBG_MAX_PATH_LENGTH];
char control_path[USBG_MAX_PATH_LENGTH];
char path[USBG_UVC_MAX_PATH_LENGTH];
int nmb, ret = USBG_SUCCESS;
int ret = USBG_SUCCESS;
unsigned nmb;
nmb = snprintf(path, sizeof(path), "%s/%s", uvcf->func.path, uvcf->func.name);
if (nmb >= sizeof(path))
@ -316,7 +322,7 @@ static int uvc_remove(struct usbg_function *f, int opts)
if(remove_dir(control_path) < 0)
return USBG_ERROR_PATH_TOO_LONG;
return 0;
return ret;
};
struct usbg_function_type usbg_f_type_uvc = {
@ -351,9 +357,10 @@ int usbg_f_uvc_get_attrs(usbg_f_uvc *uvcf, struct usbg_f_uvc_attrs *attrs)
int usbg_f_uvc_set_attrs(usbg_f_uvc *uvcf, const struct usbg_f_uvc_attrs *attrs)
{
int nmb, ret = USBG_SUCCESS;
char path[USBG_UVC_MAX_PATH_LENGTH];
struct usbg_f_uvc_format_attrs **format_attrs;
int ret = USBG_SUCCESS;
unsigned nmb;
int i;
nmb = snprintf(path, sizeof(path), "%s/%s", uvcf->func.path, uvcf->func.name);