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-rw-r--r--lib/efi_loader/efi_device_path.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/efi_loader/efi_device_path.c b/lib/efi_loader/efi_device_path.c
index 4b20859b25..76c2f82fe6 100644
--- a/lib/efi_loader/efi_device_path.c
+++ b/lib/efi_loader/efi_device_path.c
@@ -1171,7 +1171,7 @@ efi_status_t efi_dp_from_name(const char *dev, const char *devnr,
struct blk_desc *desc = NULL;
struct disk_partition fs_partition;
int part = 0;
- char filename[32] = { 0 }; /* dp->str is u16[32] long */
+ char *filename;
char *s;
if (path && !file)
@@ -1198,12 +1198,17 @@ efi_status_t efi_dp_from_name(const char *dev, const char *devnr,
if (!path)
return EFI_SUCCESS;
- snprintf(filename, sizeof(filename), "%s", path);
+ filename = calloc(1, strlen(path) + 1);
+ if (!filename)
+ return EFI_OUT_OF_RESOURCES;
+
+ sprintf(filename, "%s", path);
/* DOS style file path: */
s = filename;
while ((s = strchr(s, '/')))
*s++ = '\\';
*file = efi_dp_from_file(desc, part, filename);
+ free(filename);
if (!*file)
return EFI_INVALID_PARAMETER;