Commit c833ab7351f2ebac46740380a81e34482e208dcc
1 parent
71b9b0ca
Fix segv when passing an unknown protocol
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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block.c
| @@ -306,7 +306,7 @@ static BlockDriver *find_image_format(const char *filename) | @@ -306,7 +306,7 @@ static BlockDriver *find_image_format(const char *filename) | ||
| 306 | 306 | ||
| 307 | drv = find_protocol(filename); | 307 | drv = find_protocol(filename); |
| 308 | /* no need to test disk image formats for vvfat */ | 308 | /* no need to test disk image formats for vvfat */ |
| 309 | - if (strcmp(drv->format_name, "vvfat") == 0) | 309 | + if (drv && strcmp(drv->format_name, "vvfat") == 0) |
| 310 | return drv; | 310 | return drv; |
| 311 | 311 | ||
| 312 | ret = bdrv_file_open(&bs, filename, BDRV_O_RDONLY); | 312 | ret = bdrv_file_open(&bs, filename, BDRV_O_RDONLY); |