This patch will lift the upper limit of maximum path length.
Signed-off-by: AKASHI Takahiro takahiro.akashi@linaro.org --- lib/efi_loader/efi_device_path.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/lib/efi_loader/efi_device_path.c b/lib/efi_loader/efi_device_path.c index 9f772fc924fb..8be7af2b1b7d 100644 --- a/lib/efi_loader/efi_device_path.c +++ b/lib/efi_loader/efi_device_path.c @@ -1021,8 +1021,7 @@ efi_status_t efi_dp_from_name(const char *dev, const char *devnr, struct blk_desc *desc = NULL; disk_partition_t fs_partition; int part = 0; - char filename[32] = { 0 }; /* dp->str is u16[32] long */ - char *s; + char *file_path, *s;
if (path && !file) return EFI_INVALID_PARAMETER; @@ -1046,13 +1045,16 @@ efi_status_t efi_dp_from_name(const char *dev, const char *devnr, if (!path) return EFI_SUCCESS;
- snprintf(filename, sizeof(filename), "%s", path); + file_path = strdup(path); + if (!file_path) + return EFI_OUT_OF_RESOURCES; /* DOS style file path: */ - s = filename; + s = file_path; while ((s = strchr(s, '/'))) *s++ = '\'; *file = efi_dp_from_file(((!is_net && device) ? desc : NULL), - part, filename); + part, file_path); + free(file_path);
if (!file) return EFI_INVALID_PARAMETER;