Die on early EOF in slurp_file, instead of infinite-looping.

Signed-off-by: Jamey Sharp <jamey@thetovacompany.com>
Signed-off-by: Simon Horman <horms@verge.net.au>

1 files changed, 2 insertions, 0 deletions

diff --git a/kexec/kexec.c b/kexec/kexec.c
index 3a1656a..f898428 100644
--- a/kexec/kexec.c
+++ b/kexec/kexec.c
@@ -408,6 +408,8 @@ char *slurp_file(const char *filename, off_t *r_size)
 			die("read on %s of %ld bytes failed: %s\n", filename,
 			    (size - progress)+ 0UL, strerror(errno));
 		}
+		if (result == 0)
+			die("read on %s ended before stat said it should\n", filename);
 		progress += result;
 	}
 	result = close(fd);