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Fix some potential null derefs

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This commit is contained in:
Higor Eurípedes 2015-12-03 21:19:39 -03:00
parent faa02023ce
commit f63468d783
3 changed files with 15 additions and 8 deletions
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14
gfx/video_driver.c
View File

@ -611,14 +611,16 @@ static bool init_video_pixel_converter(unsigned size)
return true; return true;
error: error:
if (video_driver_scaler_ptr->scaler_out)
free(video_driver_scaler_ptr->scaler_out);
if (video_driver_scaler_ptr->scaler)
free(video_driver_scaler_ptr->scaler);
if (video_driver_scaler_ptr) if (video_driver_scaler_ptr)
free(video_driver_scaler_ptr); {
if (video_driver_scaler_ptr->scaler_out)
free(video_driver_scaler_ptr->scaler_out);
if (video_driver_scaler_ptr->scaler)
free(video_driver_scaler_ptr->scaler);
video_driver_scaler_ptr = NULL; free(video_driver_scaler_ptr);
video_driver_scaler_ptr = NULL;
}
return false; return false;
} }

4
gfx/video_texture_c.c
View File

@ -242,8 +242,10 @@ unsigned video_texture_load(void *data,
static void video_texture_gl_unload(uintptr_t *id) static void video_texture_gl_unload(uintptr_t *id)
{ {
if (id) if (id)
{
glDeleteTextures(1, (const GLuint*)id); glDeleteTextures(1, (const GLuint*)id);
*id = 0; *id = 0;
}
} }
#endif #endif

5
menu/menu_displaylist.c
View File

@ -56,8 +56,11 @@ static void print_buf_lines(file_list_t *list, char *buf, int buf_size,
int i, j = 0; int i, j = 0;
char *line_start = buf; char *line_start = buf;
if (!buf) if (!buf || !buf_size)
{
menu_entries_push(list, "No entries to display.", "", MENU_FILE_NONE, 0, 0); menu_entries_push(list, "No entries to display.", "", MENU_FILE_NONE, 0, 0);
return;
}
for (i = 0; i < buf_size; i++) for (i = 0; i < buf_size; i++)
{ {