[PATCH] mount: try to set up loop readonly if EACCES

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Currently mounting an image fails if it is readonly.
set_loop checks only for EROFS to retry open with readonly mode,
but in this case we get EACCES.

Signed-off-by: Matthias Koenig <mkoenig@xxxxxxx>
---

 mount/lomount.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)


diff --git a/mount/lomount.c b/mount/lomount.c
index d4b746d..8b1eb12 100644
--- a/mount/lomount.c
+++ b/mount/lomount.c
@@ -671,7 +671,8 @@ set_loop(const char *device, const char *file, unsigned long long offset,
 
 	mode = (*options & SETLOOP_RDONLY) ? O_RDONLY : O_RDWR;
 	if ((ffd = open(file, mode)) < 0) {
-		if (!(*options & SETLOOP_RDONLY) && errno == EROFS)
+		if (!(*options & SETLOOP_RDONLY) &&
+		    (errno == EROFS || errno == EACCES))
 			ffd = open(file, mode = O_RDONLY);
 		if (ffd < 0) {
 			perror(file);

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