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[autoboot] Cope properly with empty DHCP filenames 

This (hopefully) fixes a regression introduced in commit e088892
("[autoboot] Connect SAN disk during a filename boot, if applicable").

Signed-off-by: Michael Brown <mcb30@ipxe.org>
pull/1/head
Michael Brown 2011-02-01 04:25:38 +00:00
parent d77b183f10
commit 88b8aa0f65
1 changed files with 3 additions and 3 deletions
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6
src/usr/autoboot.c
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@ -81,11 +81,11 @@ static struct uri * parse_next_server_and_filename ( struct in_addr next_server,
* filenames with and without initial slashes, which is * filenames with and without initial slashes, which is
* significant for TFTP. * significant for TFTP.
*/ */
if ( ! uri_is_absolute ( uri ) ) { if ( next_server.s_addr && filename[0] && ! uri_is_absolute ( uri ) ) {
uri_put ( uri ); uri_put ( uri );
snprintf ( buf, sizeof ( buf ), "tftp://%s/%s", snprintf ( buf, sizeof ( buf ), "tftp://%s/%s",
inet_ntoa ( next_server ), filename ); inet_ntoa ( next_server ), filename );
uri = parse_uri ( filename ); uri = parse_uri ( buf );
if ( ! uri ) if ( ! uri )
return NULL; return NULL;
} }
@ -130,7 +130,7 @@ int uriboot ( struct uri *filename, struct uri *root_path ) {
} }
/* Treat empty URIs as absent */ /* Treat empty URIs as absent */
if ( filename && ( ! filename->path ) ) if ( filename && ( ! uri_has_path ( filename ) ) )
filename = NULL; filename = NULL;
if ( root_path && ( ! uri_is_absolute ( root_path ) ) ) if ( root_path && ( ! uri_is_absolute ( root_path ) ) )
root_path = NULL; root_path = NULL;